Medeco 1075127 5-Pin Rim Type ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$213.00
$177.32
Medeco Medeco 1075127 - 5 Pin Rim Type Lazy Motion Single Cylinder Handlesets and Deadbolts MED-1075127

Medeco 1075127 5-Pin Rim Type Lazy Motion Single Cylinder for Handlesets and Deadbolts

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Model: 1075127T-05-DLT
$213.00
$177.32
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$213.00
$177.32
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Medeco 1075127 5-Pin Rim Type Lazy Motion Single Cylinder for Handlesets and Deadbolts

The Medeco 1075127 is a 5-pin rim type lazy motion single cylinder engineered for use with handlesets and deadbolts in commercial-grade applications. Constructed of durable machined brass components, this Key-in-Knob/Lever cylinder is designed to retrofit knob type cylindrical locksets, lever type cylindrical locksets, padlocks, and bored type auxiliary deadlatches and deadlocks. Medeco M4 Key-in-Knob cylinders carry UL437 listing for drill and pick resistance along with utility patent-pending key control, making the 1075127 a trusted choice for high-security retrofit installations.

Key Features

  • 5-Pin Cylinder Configuration: Features a 5-pin tumbler design in a rim type lazy motion format, providing enhanced security for handleset and deadbolt applications.
  • Machined Brass Construction: Cylinders are constructed of durable machined brass components for long-lasting performance in demanding commercial environments.
  • UL437 Listed (M4): Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, delivering high-security protection against forced entry.
  • Patent-Pending Key Control: Utility patent-pending key control technology restricts unauthorized key duplication, supporting comprehensive access management programs.
  • Broad Retrofit Capability: Over 100 different cylinder designs and tailpiece configurations enable retrofit into the most popular security hardware, reducing the need for complete lockset replacement.
  • Wide Finish Selection: Available in 14 finishes including Bright Brass, Satin Brass, Antique Brass, Oil Rubbed Bronze, Satin Nickel, Bright Chrome, Satin Chrome, Black, Dark Bronze, and more to match existing hardware aesthetics.
  • Commercial-Grade Quality: Rated for heavy-use commercial applications with consistent quality backed by ANSI A156.5 Grade 1 certification (M4/M4 BiLevel, M3).

Certifications & Compliance

  • UL437 Listed — Drill and Pick Resistance (M4)
  • ANSI A156.30 Level A — Patent Protected Key Control and Physical Strength (M4, M3)
  • ANSI A156.5 Grade 1 — Consistent Quality for Heavy Use Applications (M4/M4 BiLevel, M3)

Technical Specifications

  • Product Family: Rim & Mortise Cylinder
  • Pinning: 5-Pin
  • Compatible Hardware: 5 Pin Rim Type Lazy Motion Single Cylinder Handlesets and Deadbolts
  • Certification: UL 437 Listed; ANSI/BHMA A156.30 (M4); ANSI/BHMA A156.5 Grade 1 (M4)
  • Construction: Durable machined brass components
  • Warranty: 2-year manufacturer's warranty

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Government and Municipal Buildings
  • Multi-Tenant Residential Properties
  • Industrial and Warehouse Facilities

Why Medeco?

Medeco cylinders are engineered with durable machined brass construction and backed by UL437 listing for drill and pick resistance, ensuring professional-grade security in high-traffic commercial environments. With ANSI A156.30 Level A and ANSI A156.5 Grade 1 certifications, the 1075127 delivers patent-protected key control and consistent quality that security professionals rely on. Medeco's industry-leading retrofit range — spanning over 100 cylinder designs and tailpiece configurations — means fewer complete lockset replacements and greater installation flexibility.

Manufacturer Resources

Medeco Product Catalog

Product Specs

Product Group:
Parts and Accessories
Series:
1075127
Product Subgroup:
Cylinders
Product Type:
Cylinders
Commercial/Residential:
Commercial
Subcategory:
Cylinders
Cylinder Classification:
5Pin
Product Category:
Parts and Accessories
Department:
Door Hardware

Medeco 1075127T-05-DLT – Frequently Asked Questions

1) Will the Medeco 1075127 rim cylinder work in my existing handleset or deadbolt, or do I have to replace the whole lock?
That is exactly what the 1075127 is for. It's a 5-pin rim type lazy motion single cylinder built to drop into handlesets and deadbolts, and the Medeco Key-in-Knob/Lever line it belongs to retrofits knob type cylindrical locksets, lever type cylindrical locksets, padlocks, and bored type auxiliary deadlatches and deadlocks. Medeco carries over 100 cylinder designs and tailpiece configurations across the range, so in most cases you're changing the cylinder and keeping the lockset in the door.
2) Is the Medeco 1075127 cylinder UL437 listed for drill and pick resistance?
Yes. Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, and the 1075127 also carries ANSI/BHMA A156.30 Level A for patent protected key control and physical strength, plus ANSI A156.5 Grade 1 for heavy use. For a facility spec that calls out high security cylinders by standard, those are the three lines that satisfy it.
3) What's the difference between Medeco Biaxial and M3 when ordering the 1075127 cylinder?
Those are the two key technologies the 1075127 is offered in, and they are separate keyway platforms. Pick the one that matches the keys already issued in your building, because a cylinder ordered on the wrong platform will not accept your existing key. If you're keying a fresh system with no legacy keys, either choice stands on its own; if you're adding doors to an existing Medeco system, order to match what the rest of the system is pinned to.
4) Can I get the Medeco 1075127 unpinned so my locksmith can key it to our existing system?
Three build states are available: Pinned, Sub-Assembled, and Sub-Assembled No Slider. Pinned ships ready to go. The sub-assembled options leave the pinning to you, which is what a locksmith running an existing master key system wants so the cylinder can be combinated into the system in the shop rather than returned for rekeying.
5) What should I use instead of the Medeco 1075127 if I need a mortise cylinder rather than a rim cylinder?
The 1075127 is a rim type cylinder and will not serve a mortise lock body, which needs a threaded mortise cylinder with the correct cam. For mortise work, the Corbin Russwin 1000 Grade 1 mortise cylinder comes in a 1-1/2 inch length with an A02 straight cam, the Corbin Russwin 1070 in 1-1/4 inch with an A01 cloverleaf cam, and the Adams Rite 4036 is a five-pin Grade 1 mortise cylinder. Match the cam to your lock body, not just the length.
6) We run interchangeable core across our campus. Is the Medeco 1075127 an IC cylinder?
No. The 1075127 is a conventional pinned cylinder, not an interchangeable core, so you cannot pull and swap a core in the field on it. If your facility standard is IC, look at the BEST 1C Series standard 5-pin core, the BEST 1CB Peaks 150 Series interchangeable core, or the Schlage 20-057 FSIC rim cylinder with convertible tailpiece cam. Those keep the field rekey workflow your maintenance staff already uses.
7) What is the closest equivalent to a Medeco 1075127 rim cylinder if the opening does not need a restricted key system?
The Schlage Commercial 20-021 is a 6-pin rim cylinder with a vertical tailpiece cam supplied with 2 keys, and the Schlage Commercial 20-022 is the same rim cylinder with a horizontal tailpiece cam. The Medeco 1075127 is a 5-pin rim type lazy motion single cylinder for handlesets and deadbolts, carrying UL 437 listing for drill and pick resistance and utility patent-pending key control. Where the Schlage rim cylinders differ is that the tailpiece orientation is fixed by the part number you pick, so confirm whether the exit device or deadbolt behind the door takes a vertical or horizontal cam before ordering.
8) Which rim cylinder should be used instead of the Medeco 1075127 on a facility that keys everything with interchangeable cores?
The Schlage Commercial 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam supplied with 2 keys, and the 20-057-C is a full size interchangeable core cylinder in the C keyway with a 643E Aged Bronze finish. BEST also builds interchangeable core cylinders - the 1CB is a Peaks 150 Series interchangeable core cylinder and the 1CDF is a drill resistant patented 7-pin brass interchangeable core in the 150 Series. Those let a facility locksmith pull and swap a core with a control key, where the Medeco 1075127 is a pinned or sub-assembled 5-pin cylinder that is rekeyed at the pin stack.
9) Does a Medeco 1075127 rim cylinder fit a mortise lock?
No. The Medeco 1075127 is a rim type lazy motion single cylinder for handlesets and deadbolts. A mortise lock body takes a threaded mortise cylinder with a cam - for example the Corbin Russwin 1000 Grade 1 Series mortise cylinder at 1-1/2 inch length with an A02 straight cam, the Corbin Russwin 1070 Grade 1 Series 1-1/4 inch 6-pin mortise housing with an A01 cloverleaf cam, or the Detex MC65 mortise cylinder in the Schlage C keyway at 1-1/8 inch, 6-pin. The cam style has to match the mortise lock body, so confirm the cam called for by the lock before ordering.
10) A key-in-knob or key-in-lever lockset needs a replacement cylinder - is the Medeco 1075127 the right part?
Not directly. The Medeco 1075127 is the rim type lazy motion single cylinder for handlesets and deadbolts. For knob and lever bodies the Kaba Ilco 1539 Series is a key-in-knob / lever universal cylinder, the 1579 Series is a knob and lever cylinder for Sargent, and the 1599 Series is a key-in-knob replacement cylinder; Falcon supplies the A23161-05 G key in lever cylinder for RU/T series with a 6-pin G keyway, keyed different, with 2 cut keys. Medeco does build Key-in-Knob/Lever cylinders that retrofit knob and lever type cylindrical locksets, so match the lockset make and model when specifying.
11) What replaces a Medeco 1075127 on an aluminum storefront door with an Adams Rite deadlock?
Narrow stile aluminum storefront takes Adams Rite hardware rather than a rim cylinder. The Adams Rite 4036 is a mortise cylinder with five-pin security, Grade 1, in the 4036 Series with a 1/2 inch minimum door thickness. For a pull-mounted cylinder, the 4025 is a five pin tumbler cylinder pull with through-screws for the MS1847 deadlock and the 4024 is a cylinder pull with trim plate mounting, both for the Adams Rite MS1847 deadlock/deadlatch; the 4026 is the five pin tumbler cylinder pull for the Adams Rite 5017 wood door deadlock/deadlatch. Confirm which deadlock is in the stile before choosing.
12) What finishes does the Medeco 1075127 cylinder come in so it matches the rest of my door hardware?
Thirteen finishes, covering the usual commercial and residential matches: 605 Bright Brass, 606 Satin Brass, 609 Antique Brass, 611 Bright Bronze, 612 Satin Bronze, 613 Dark Bronze Oil-Rubbed, 624 Dark Bronze, 618 Bright Nickel, 619 Satin Nickel, 20 Antique Nickel, 622 Flat Black, 625 Bright Chrome, and 626 Satin Chrome. For a property standardizing across a building, 626 Satin Chrome and 613 Oil-Rubbed Bronze are the two that most commonly sit next to existing trim.
13) What's the closest non-Medeco replacement for a 1075127 key-in-knob replacement cylinder?
If you don't need the patented key control, the Kaba Ilco line covers the same retrofit job: the 1539 Series is a key-in-knob/lever universal cylinder, the 1549 is a key-in-deadbolt cylinder, and the 1599 is a key-in-knob replacement cylinder. The tradeoff is real, though. None of those is being offered here with the UL437 drill and pick resistance and restricted key duplication that the Medeco M4 platform carries, so for a high security opening the Medeco is the one to keep.
14) Can tenants get keys copied at a hardware store for a Medeco 1075127 cylinder?
Not through ordinary channels. The 1075127 uses Medeco utility patent-pending key control, which restricts unauthorized duplication, and the platform holds ANSI A156.30 Level A for patent protected key control. For a multi-tenant or institutional property that is the whole point: keys stay accounted for, and a departed tenant or contractor cannot quietly hand a copy to someone else.
15) Is the Medeco 1075127 built for commercial traffic or is it a residential cylinder?
Commercial. The 1075127 is classed as a commercial cylinder and carries ANSI A156.5 Grade 1, the heavy-use rating, with machined brass internal components. Typical placements are office buildings, schools, healthcare, retail, government facilities, multi-tenant residential, and warehouses. It's equally at home on a residential-style handleset, which is where the lazy motion rim format tends to show up on a front entry.
16) Is the Medeco 1075127 a single cylinder or double cylinder, and does that matter for my egress door?
Single cylinder. The 1075127 is keyed on the outside only, with a thumbturn or interior handleset trim doing the work on the inside. That's the configuration most egress and code-sensitive openings want, since a double cylinder deadbolt requires a key to exit and is restricted or prohibited on many required exit doors. For a storefront or back-of-house door under a life safety review, single cylinder is the safer specification.
17) Do I need a specific tailpiece when I order a Medeco 1075127 rim cylinder for a deadbolt?
Yes, and it's the detail that most often gets an order sent back. A rim cylinder drives the lock through a tailpiece, and the tailpiece length and orientation have to suit the lock body and the door thickness you're installing into. Medeco publishes over 100 cylinder and tailpiece configurations across the line, so identify the lock you're retrofitting before you order and match the tailpiece to it rather than assuming the stock one fits.
18) What is the difference between a Medeco 1075127 and a Corbin Russwin 3070 rim cylinder?
The Corbin Russwin 3070 is a 6-pin rim cylinder housing in the 3000 series with a 1-7/8 inch tailpiece. The Medeco 1075127 is a 5-pin rim type lazy motion single cylinder built for handlesets and deadbolts, offered in Biaxial and M3 keyway technologies. Tailpiece length is the detail that decides the fit on a rim application - the 3070 ships with a stated 1-7/8 inch tailpiece, so measure what the existing device needs before swapping either way.
19) Is a BEST 12E dummy rim cylinder a substitute for a Medeco 1075127?
No. The BEST 12E Series is a dummy rim cylinder with a 1-5/32 inch diameter - it fills the cylinder opening and gives the exterior face a finished look, but it does not accept a key or operate the lock. The Medeco 1075127 is a keyed 5-pin rim type lazy motion single cylinder for handlesets and deadbolts. Use the dummy only on an inactive leaf or a door where the keyed function has been removed.
20) The existing cylinders on the building are BEST interchangeable core - can a Medeco 1075127 be keyed into that system?
They are separate key systems. BEST sells the 1C Series standard 5-pin cylinder core in its Standard and Premium Cores line, which pins to a BEST small format core system. The Medeco 1075127 is offered in Biaxial and M3 keyway technologies with utility patent-pending key control that restricts unauthorized duplication, so it operates on a Medeco key system rather than a BEST one. Standardizing an opening means picking one system and staying in it, or accepting that the door carries its own key.
21) What cylinder goes with a Schlage L9000 mortise lock instead of a Medeco 1075127?
The Corbin Russwin 1080 Grade 1 Series is a 1-1/2 inch LFIC mortise cylinder, 6-pin, built for Schlage L9000 mortise locks with an A01 Schlage L cam. The Medeco 1075127 is a rim type lazy motion single cylinder for handlesets and deadbolts, so it does not thread into an L9000 body. Where the two differ for a facility is the core format - the 1080 takes a large format interchangeable core, while the 1075127 comes pinned or sub-assembled.
22) What is a simpler deadbolt cylinder option than the Medeco 1075127?
The Kaba Ilco 1549 Series is a key-in-deadbolt cylinder listed for deadbolt function, and the 1539 Series is a key-in-knob / lever universal cylinder also listed for deadbolt function. The Medeco 1075127 differs in that it is UL 437 listed for drill and pick resistance and carries ANSI A156.30 Level A for patent protected key control and physical strength along with ANSI A156.5 Grade 1. Choose on whether the opening needs restricted key control and attack resistance or just a keyed deadbolt cylinder.
23) Can an Emtek CY4 cylinder be used in place of a Medeco 1075127?
The Emtek CY4 is a cylinder sold each as an Emtek part, intended for Emtek hardware. The Medeco 1075127 is a 5-pin rim type lazy motion single cylinder sized for handlesets and deadbolts and available in 13 finishes including 605 Bright Brass, 613 Dark Bronze Oil-Rubbed, 619 Satin Nickel, 622 Flat Black and 626 Satin Chrome to match existing trim. Match the cylinder to the lock body it is going into rather than crossing brands on a handleset.
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Does the Medeco 1075127T-05-DLT come with a warranty?
Absolutely. The Medeco 1075127T-05-DLT is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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