Schlage Residential J40 Privac...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$40.00
$27.21
Schlage Residential Schlage Residential J40 - Privacy Lock Byron Knob with 16254 Latch and 10101 Strike SCR-J40-NONKEYED-BYR

Schlage Residential J40 Privacy Lock with Byron Knob - Non-Keyed Cylindrical Lockset

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Model: J40 BYR 605
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$27.21
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Schlage Residential J40 Privacy Lock with Byron Knob - Non-Keyed Cylindrical Lockset

Residential Privacy Lock Solution

The Schlage Residential J40 Privacy Lock features the Byron knob design for bedroom and bathroom applications. This Grade 2 cylindrical lockset accommodates door thickness from 1-3/8" to 1-3/4" with dual backset options for 2-3/8" or 2-3/4" installations. The turn-button locking mechanism provides privacy control with interior release capability, while the dual option latch system offers flexible installation with both 1/4" round faceplate and drive-in configurations.

Professional Features & Benefits

  • Door Compatibility: Fits door thickness from 1-3/8" to 1-3/4" with dual backset latches for 2-3/8" or 2-3/4" installations.
  • Privacy Function: Turn-button locking mechanism allows privacy control from interior with outside turn mechanism access for emergency entry.
  • Dual Option Latch System: 1" x 2-1/4" latch with both 1/4" round faceplate and drive-in options for versatile installation requirements.
  • Grade 2 Construction: ANSI/BHMA certified performance meets commercial-grade durability standards for residential applications.
  • Easy Installation: Three-step installation process requires only a screwdriver for quick setup.
  • Complete Hardware Package: Includes 16254 dual option latch and 10101 radius corner full lip strike for complete installation.
  • Byron Knob Design: Classic knob styling complements traditional and contemporary residential décor.

Standard Features

Certification:ANSI/BHMA A156.2-2011 Commercial Grade 3
Available option for UL Listed for 3 hour fire door (J10 and J54 functions only
Latch: Dual Option: 1" x 2-1/4", 1/4" round faceplate and drive-in
Triple Option: 1" x 2-1/4", square corner and 1/4" round faceplate, drive-in latch (J54)
Strike: 1-5/8" x 2-1/4" radius corner, full lip, no box
Backset: Dual backset latches, fits either 2-3/8" or 2-3/4" backsets
Cylinder: 5-Pin, C keyway, keyed alike (KA4)
Door Range: 1-3/8" – 1-3/4"
Keys: Two per lock, 5-pin, C section

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Residential Bedroom Privacy
  • Bathroom Door Security
  • Home Office Privacy
  • Guest Room Applications
  • Multi-Family Housing Units
  • Residential Renovation Projects
  • New Construction Residential

Why Choose Schlage Residential Quality?

Schlage Residential J Series locksets deliver reliable privacy control with Grade 2 ANSI/BHMA certified construction for lasting residential performance. The dual option latch system and easy three-step installation provide professional-grade functionality with homeowner-friendly setup. Engineered for dependable daily use in residential privacy applications where reliable operation is essential.

Backed by Schlage's Lifetime Limited Mechanical and Finish Warranty.

Manufacturer Resources

Product Specs

Series:
J Series
Subcategory:
Bored Locksets
Grade:
Grade 2
Standard Strike:
10-101: Round Corner Full Lip
Standard Latch:
16-254: Spring Latch, Dual Option (Round, Drive-in)
Keyed Function:
Non-Keyed
ANSI/BHMA:
F77
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Keyed:
No
Electronic:
No
Commercial/Residential:
Residential
Function Description:
Turn-button locking. Can be opened from outside by turning outside turn mechanism: From interior, turning inside turn-button releases inside lever
Lock Type:
Cylindrical
Lock Function:
Privacy/Bed/Bath
Product Type:
Bored Locksets
Handle Design:
Byron Knob
Handle Type:
Knob
Product Attribute:
Cylindrical Locks
Product Model:
J40
Product Function:
Privacy/Bed/Bath
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/8" to 1-3/4"
Product Category:
Mechanical Locks
Department:
Door Hardware

Schlage Residential J40 BYR 605 – Frequently Asked Questions

1) Will the Schlage J40 privacy knob fit a 1-3/8 inch interior door?
Yes. The J40 Byron knob privacy set covers a door thickness range of 1-3/8 inches to 1-3/4 inches, so it works on both older 1-3/8 inch interior doors and standard 1-3/4 inch doors without any extension kit.
2) Do I need to know my backset before ordering a Schlage J40 privacy knob?
No. The J40 ships with the 16-254 dual option spring latch, which adjusts to either a 2-3/8 inch or a 2-3/4 inch backset. Those are the two standard bored-lock backsets, so you can measure at the door after the box is open rather than before you order.
3) Is the Schlage J40 Byron knob left or right handed?
Neither. The J40 is non-handed, so one part number covers doors swinging either direction. On a fleet of units that means one SKU on the shelf instead of two.
4) Can a bathroom door with a Schlage J40 be opened from the outside in an emergency?
Yes. The J40 is a privacy function: the occupant locks it with the inside turn-button, and from the corridor side the outside turn mechanism releases it. Turning the inside turn-button also releases the lock from within. There is no key and no cylinder on this one, which is what you want on a bed or bath door.
5) Will the Schlage J40 strike line up with the strike plate already mortised in my frame?
The J40 comes with a 1-5/8 inch by 2-1/4 inch radius corner full lip strike, no box. If the frame you are working in already has a radius corner cutout of that size, the new strike drops straight into the existing mortise. Square corner frame prep will need the mortise corners squared off or a square corner strike instead.
6) Can I use the Schlage J40 on a front door?
No. The J40 is a non-keyed privacy lock with no cylinder, so it gives you no exterior security at all. For an entry door look at a keyed handleset such as the Bravura 913-Savannah or 915-Jacksonville, both Grade 2, or add a single cylinder deadbolt like the Delaney Traditional 200-B.
7) What should I use instead of a Schlage J40 privacy knob on a hall or closet door that does not need to lock?
The Schlage J40 Byron is a privacy set - its turn-button locks the door from the inside, which a hall or closet does not need. For a non-locking opening, the Emtek Select Brass Conical Stem Dark Walnut knob is a passage function knob for hall and closet doors. Keep the J40 for bed and bath, where the interior turn-button and outside turn mechanism for emergency entry are the point, and use the passage knob where the door only needs to latch.
8) Is there a Grade 2 alternative to the Schlage J40 Byron knob privacy lock for a bedroom door?
The Schlage J40 Byron knob is a non-keyed cylindrical privacy lock certified to Grade 2, used on bedroom and bathroom doors with turn-button locking. Among Grade 2 peers, the Delaney Katana is a single cylinder handleset with interior trim, and the Bravura 913-Savannah pairs a handleset with a 615 interior plate and 906-Macon interior knob. Both of those are keyed single cylinder handlesets built for an entry opening rather than non-keyed privacy sets, so they match the J40 on Grade 2 but not on function - for an interior bed or bath door where no key is wanted, the J40's privacy function is the one that applies.
9) Is a Grade 2 privacy knob strong enough for multi-family apartment bedroom and bathroom doors?
The J40 carries an ANSI/BHMA Grade 2 rating with an F77 function designation. Grade 2 sits above the Grade 3 residential minimum, which is why it holds up on rental turnover traffic where a builder-grade knob does not. It is still classified as a residential lock, so for a corridor or an exterior entry in the same building you want a commercial cylindrical line.
10) Is there a Grade 2 alternative if I want a lever instead of a knob?
The Byron on the J40 is a knob, not a lever, and knobs are harder for anyone with limited grip. For a lever in the same Grade 2 tier, the Bravura 973-Montgomery handleset comes with the 939-Charlotte interior lever. Note that is a handleset for an entry opening, not a bed and bath privacy set.
11) Can a single cylinder deadbolt replace a Schlage J40 privacy lock?
No. The Schlage J40 Byron is a non-keyed cylindrical privacy lockset with a knob that latches the door and locks by turn-button. A deadbolt such as the Delaney Traditional 200-B or the Delaney Contemporary 200-LTR is a Grade 3 cylinder by thumbturn deadbolt - it throws a bolt but carries no knob and no latch, so it cannot operate a bed or bath door on its own. A deadbolt is an addition to a door, not a substitute for the J40.
12) I need a lever instead of a knob for an ADA-conscious interior door - what are my options besides the Schlage J40 Byron?
The J40 Byron is a knob design, so it will not satisfy a lever requirement. Among the alternatives, the Bravura 973-Montgomery is a Grade 2 handleset whose interior trim is the 939-Charlotte lever on a 672 interior plate, and the Paxton PaxLock Pro Galaxy is a lever latch lock for 1-3/4 inch doors. The Bravura is a keyed entry handleset and the Paxton is a battery-powered credential reader lock, so neither is a non-keyed privacy set - if the opening is a bed or bath door that must have a lever, the J40 knob is not the part.
13) What finishes does the Schlage J40 Byron knob come in?
Two: 605 bright brass and 630 satin stainless steel. If you are matching existing hardware across a building, 630 is the one that blends with most contemporary satin chrome and brushed nickel trim, and 605 is the polished brass look.
14) Does the Schlage J40 privacy lock need wiring or batteries?
No power of any kind. The J40 is a purely mechanical cylindrical lockset. If the opening actually calls for access control, that is a different class of product entirely, such as the Paxton PaxLock Pro battery powered lever latch lock for 1-3/4 inch doors.
15) Which interior locks step down from the Schlage J40 Byron's Grade 2 rating?
The Schlage J40 Byron privacy knob is certified Grade 2 with an ANSI/BHMA F77 function designation. Several of the alternatives sit at Grade 3 instead: the Callan Visconti and Callan Briona single cylinder handlesets, the Delaney Avino single cylinder handleset, and the Delaney Traditional and Delaney Contemporary single cylinder deadbolts. For a facility standardizing on a Grade 2 interior spec, the J40 meets it and those Grade 3 items do not.
How fast can I get the Schlage Residential J40 BYR 605 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schlage Residential J40 BYR 605 come with a warranty?
Absolutely. The Schlage Residential J40 BYR 605 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schlage Residential J40 BYR 605?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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