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Schlage Residential Schlage Residential FC21 - Offerman Knob Passage and Privacy Latch - Grade 2 Cylindrical Non-Keyed Lock SCR-FC21-NONKEYED-OFM

Schlage Residential FC21 Offerman Knob Passage and Privacy Cylindrical Lock - Grade 2 Non-Keyed

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Model: FC21 OFM 619 ALD
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Schlage Residential FC21 Offerman Knob Passage/Privacy Cylindrical Lock - Grade 2 Non-Keyed

Dual-Function Residential Lock Solution

The Schlage Residential FC21 Offerman Knob combines passage and privacy functions in a single Grade 2 cylindrical lock designed for 1-3/8" to 1-3/4" doors. This non-keyed lock features dual backset compatibility for 2-3/8" or 2-3/4" installations with ANSI/BHMA A156.2-2017 Grade 2 certification. The stainless steel construction includes a 1" x 2-1/4" latch with 1/2" throw and full lip radius corner strike for reliable residential applications.

Professional Features & Benefits

  • Door Thickness Compatibility: Fits 1-3/8" to 1-3/4" doors with dual backset options for 2-3/8" or 2-3/4" installations.
  • Dual Function Operation: Default passage function with privacy pushbutton conversion - turning inside knob releases privacy mode for convenient operation.
  • Emergency Access Feature: Privacy function can be opened from outside with small emergency unlock tool for safety and accessibility.
  • Grade 2 Construction: ANSI/BHMA A156.2-2017 Grade 2 certified with stainless steel substrate for durability in residential applications.
  • Universal Latch System: 1" x 2-1/4" latch with 1/4" radius corner faceplate, 1" housing diameter, and circular drive-in design for versatile installation.
  • Easy Installation: 3-step installation process requiring only a screwdriver with dual backset compatibility for common door preparations.
  • Fire Door Compatible: Available UL Listed for 90 minute fire door applications when required.
  • Manufacturer Warranty: 10 Year warranty coverage for added confidence and long-term protection.

Standard Features

Certification:ANSI/BHMA A156.2-2017 Grade 2
ANSI/BHMA A156.39-2015 Residential Grade AAA
Available UL Listed for 90 minute fire door
Latch: 1"x 2-1/4", 1/4" radius corner faceplate, 1" housing diameter, 1/2" throw, circular drive-in included, universal latch
Strike: 1-5/8" x 2-1/4" radius corner, full lip
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 between 1-3/8" and 1-3/4" and backset measurement of either 2-3/8" or 2-3/4".
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for the cylindrical lock installation.
  3. Prepare door by drilling required holes per manufacturer specifications using the dual backset latch system for proper fit.
  4. Install the cylindrical lock assembly and secure all mounting hardware per manufacturer torque specifications.
  5. Adjust knob operation for smooth function in both passage and privacy modes, ensuring privacy pushbutton engages and releases properly.
  6. Test device operation including passage function, privacy conversion, and emergency unlock capability. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Residential Interior Doors
  • Bedroom and Bathroom Privacy Applications
  • Hall and Closet Passage Functions
  • Multi-Family Housing Units
  • Assisted Living Facilities
  • Student Housing and Dormitories
  • Home Office and Study Areas

Why Choose Schlage Residential Quality?

Schlage Residential FC21 locks deliver professional-grade reliability with stainless steel construction and ANSI/BHMA Grade 2 certification for demanding residential applications. The 10 Year warranty provides long-term protection and confidence in product performance. Engineered with dual-function capability and emergency access features, this lock offers the dependable operation essential for residential security and privacy needs.

Manufacturer Resources

Product Specs

Series:
F Series
Subcategory:
Bored Locksets
Grade:
Grade 2
Warranty:
10 Year
Standard Strike:
10-027: Full Lip Radius Strike, 2-1/4" x 1-5/8"
Standard Latch:
16-600: Spring Latch, Dual Option (Round, Drive-in)
Keyed Function:
Non-Keyed
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Keyed:
No
Electronic:
No
Commercial/Residential:
Residential
Function Description:
Passage is default function; Insert privacy pushbutton on interior side of lock to convert to privacy; Can be opened from outside with small emergency unlock too
Lock Type:
Cylindrical
Product Type:
Leversets
Lock Function:
Passage/Privacy
Handle Design:
Offerman Knob
Handle Type:
Knob
Product Attribute:
Cylindrical Locks
Product Model:
FC21
Product Function:
Passage/Hall/Closet
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/8" to 1-3/4"
Product Category:
Mechanical Locks
Product Substrate:
Stainless Steel
Department:
Door Hardware

Schlage Residential FC21 OFM 619 ALD – Frequently Asked Questions

1) Will the Schlage FC21 Offerman knob fit a 1-3/8 inch interior door?
Yes. The FC21 Offerman knob covers 1-3/8 to 1-3/4 inch doors, which spans both the thinner older interior slab and the standard 1-3/4 inch door. The latch is a dual backset type, so the same lock works on a 2-3/8 or 2-3/4 inch bored door without ordering a different part.
2) Is the Schlage FC21 Offerman a passage lock or a privacy lock for a bedroom or bath?
Both, and you decide at install. Out of the box the FC21 operates as passage, free turning from either side for a hall or closet. Insert the privacy pushbutton on the interior side and it becomes a privacy set for a bedroom or bathroom; turning the inside knob releases it. From the corridor side it can be opened with a small emergency unlock tool, which is what you want on a bath door in multi-family or assisted living.
3) Does the Schlage FC21 knob need a key, and can it be keyed to my building's other locks?
The FC21 Offerman is a non-keyed knob. There is no cylinder and no key, so it cannot be brought into a building keying system. Use it on hall, closet, bedroom and bath doors and put a keyed set on the entry openings.
4) Will the FC21 latch drop into the strike already in my door frame?
Usually, if the frame has a standard radius corner strike. The FC21 ships with a 10-027 full lip radius strike measuring 2-1/4 by 1-5/8 inches, and the latch throws 1/2 inch with a 1 by 2-1/4 inch faceplate on a 1/4 inch radius corner. If the existing strike is square corner, swap it for the one in the box rather than forcing the latch.
5) I need a lever instead of a knob for ADA on the same door. What passage lever do you have that fits the same 1-3/8 to 1-3/4 inch doors?
The knob is the limitation here, not the prep. For a Grade 2 passage lever on a 1-3/8 to 1-3/4 inch door, the Hager 2510 with the Withnell lever covers 1-3/8 to 2 inches. The Falcon B101 is a non-handed Grade 2 medium duty passage lever, and the Accentra 5301LN Augusta is another Grade 2 passage set. Note the Arrow GL01 Sierra lever starts at 1-3/4 inches, so it will not take a 1-3/8 inch door.
6) Is the Schlage FC21 knob a straight replacement for a worn out bedroom knob on a standard bored door?
On a normal 2-1/8 inch cross bore door, yes, provided the door is between 1-3/8 and 1-3/4 inches thick. The dual backset latch means you do not have to measure whether the old prep was 2-3/8 or 2-3/4, and the included radius strike matches the common frame cutout. Where the old set was keyed, the FC21 will not replace it like for like, since it has no cylinder.
7) What lever lock can I use instead of the Schlage FC21 Offerman knob where the opening needs a lever rather than a knob?
The FC21 Offerman is a knob-style non-keyed cylindrical lock with a passage/privacy function. If the same opening needs a lever, the Accentra 5301LN Augusta is a Grade 2 cylindrical lever lock with a passage/hall/closet function, and the Falcon B101 is a Grade 2 cylindrical passage lever lock with a non-handed design. Both cover passage duty only; the FC21 adds the privacy pushbutton on the interior side, so a bedroom or bath opening needs a separate privacy lever such as the Hager 2540 with the Withnell lever.
8) Is a Kwikset 200BRNL Breton passage lever a direct swap for the Schlage FC21 Offerman knob?
It covers the same door range but not the same function. The Kwikset 200BRNL Breton is a Grade 3 passage lever for 1-3/8 inch to 1-3/4 inch doors, and passage is all it does. The FC21 Offerman is a Grade 2 knob whose passage function converts to privacy when the pushbutton is inserted on the interior side. To match both behaviors with Kwikset you would order the 200BRNL for hall and closet doors and the 300BRNL Breton privacy lever, a Grade 3 privacy set for the same 1-3/8 inch to 1-3/4 inch doors, for bedrooms and baths.
9) What is the heavier duty alternative to the Schlage FC21 Offerman knob for a corridor that sees constant traffic?
The FC21 Offerman is a Grade 2 residential non-keyed lock with a stainless steel substrate. Where the opening calls for Grade 1, the Falcon K101 is a heavy duty Grade 1 passage cylindrical lock with non-handed levers and a fire rating, the Falcon T101 is a heavy duty Grade 1 passage lever with pressure release technology, and the Corbin Russwin CL3110 is a Grade 1 vandal resistant passage/closet lever, also fire rated. All three are passage function, so a privacy opening still needs a privacy-specific set.
10) I need the door to lock with a key, not just a privacy button - what do I order instead of the Schlage FC21 Offerman knob?
The FC21 Offerman is non-keyed; its privacy pushbutton is released by turning the inside knob or by a small emergency unlock tool from outside, and there is no cylinder to key. For a keyed knob on 1-3/8 inch to 1-3/4 inch doors, the Arrow HK11-BB is a turn-pushbutton entrance cylindrical lock with a ball knob and conventional cylinder in that door range. If a lever is acceptable, the Cal-Royal AG00 entrance lever uses a 6-pin Schlage C keyway keyed different with a 2-3/8 inch backset and fits the same 1-3/8 inch to 1-3/4 inch doors.
11) I have a 20 minute fire rated closet door - does the Schlage FC21 Offerman knob or something else go on it?
The FC21 Offerman is available UL Listed for 90 minute fire door applications, which covers a 20 minute opening. If the specification calls out a lever, the Corbin Russwin CL3110 is a fire rated Grade 1 passage/closet lever for 1-3/4 inch to 2 inch doors and the Falcon K101 is a fire rated Grade 1 passage lever for 1-3/8 inch to 2-1/4 inch doors. On the Kwikset side the 200DL-RCALFD Delta passage lever ships with a round corner adjustable 20 minute UL latch and round corner strike.
12) Do I have to order the Schlage FC21 knob left or right hand?
No handing to specify. The FC21 Offerman is non-handed, so one part number works on a left or right hand door. The latch is a spring latch supplied in a dual option round face and drive-in form, so it suits either a bored door edge with a mortised faceplate or a drive-in prep.
13) What finishes and rose styles does the Schlage FC21 Offerman knob come in?
Four combinations. The Offerman knob is offered in 619 Satin Nickel and 716 Aged Bronze, each with either the Alden rose or the Grandville rose. Alden and Grandville change the trim shape behind the knob, so pick the one matching the roses already on the other doors in the unit.
14) Is a Grade 2 knob strong enough for apartment turnover and student housing?
For interior openings, yes. The FC21 is certified to ANSI/BHMA A156.2-2017 Grade 2 and A156.39-2015 Residential Grade AAA, with a stainless steel substrate. Grade 2 is the middle commercial tier, above the Grade 3 residential sets. If the opening is a corridor or a high traffic commercial door, step up to a Grade 1 cylindrical passage set such as the Falcon K101 or the Corbin Russwin CL3110.
15) Can I use a dummy trim in place of the Schlage FC21 Offerman knob on a closet door?
Not if the door has to latch. A dummy is fixed trim with no latch mechanism: the Callan Bentley is a Grade 2 dummy lever, the BEST 7KC single dummy trim is a medium duty Grade 2 dummy lever, and the BEST 9K 1DT is a heavy duty Grade 1 single dummy trim. The FC21 Offerman is a cylindrical lock with a 16-600 spring latch and a 10-027 full lip radius strike, so it keeps a closet or hall door latched shut. Dummy trim suits a door held by a ball catch or a fixed inactive leaf.
16) Will an Arrow MK02-TA Tudor knob privacy lock cover the same doors as the Schlage FC21 Offerman knob?
Only some of them. The Arrow MK02-TA is a non-keyed privacy/bed/bath knob for 1-3/4 inch to 2 inch doors and it is fire rated. The FC21 Offerman is non-keyed as well, but it fits 1-3/8 inch to 1-3/4 inch doors and ships as passage with the privacy pushbutton available for conversion, so it can do the hall and closet doors the MK02-TA cannot. On a 1-3/8 inch door the Arrow does not apply at all.
17) What matches the Schlage FC21 Offerman knob on a decorative interior door where the rest of the trim is a designer lever?
The Baldwin Estate 5103 line runs the same interior openings in a matched family: the 5103 passage lever with 5048 rose, the 5103 privacy lever with 5048 rose, and left and right hand half dummy levers on the same rose. That family splits by function, one part number each. The FC21 Offerman covers passage and privacy in a single non-handed knob and is offered in 619 satin nickel and 716 aged bronze on either the Alden or Grandville rose.
18) The Design Hardware J75 passage lever was specified - can the Schlage FC21 Offerman knob take its place?
Check the door thickness first. The Design Hardware J75 is a Grade 2 passage lever lockset with a flat lever built for a 1-3/4 inch door, and the X75 is the Grade 1 version of the same flat lever passage set, also 1-3/4 inch. The FC21 Offerman is Grade 2 and covers 1-3/8 inch through 1-3/4 inch on dual backset latches for either 2-3/8 inch or 2-3/4 inch preps, so it lands on a 1-3/4 inch door as well while also handling thinner ones. The difference that decides it is knob versus flat lever trim and, against the X75, Grade 2 versus Grade 1.
19) What is a lower cost interior knob or lever alternative to the Schlage FC21 Offerman knob for apartment turns?
The FC21 Offerman is Grade 2 with a stainless steel substrate. Where a Grade 3 interior set is acceptable, the Callan Asheville is a Grade 3 passage leverset in a satin nickel finish, and the Kwikset 200DL Delta is a passage lever for interior hall and closet doors that is reversible and comes with an adjustable 6AL latch and RCS strike. Neither offers privacy, so bedroom and bath doors still need a privacy set such as the Kwikset 300BRNL Breton, a Grade 3 privacy lever for 1-3/8 inch to 1-3/4 inch doors.
20) What do I need to buy alongside the FC21 to finish a bedroom door, and what if I only want trim on one side?
Nothing extra for a working door. Latch, strike and the privacy pushbutton come with the FC21, and it goes on with a screwdriver. If you want a non-operating knob or lever on a closet or a false door leaf, that is a dummy set instead, such as the BEST 7KC single dummy trim in Grade 2 or the Baldwin Estate 5103 half dummy.
21) Is there a battery or wiring involved with the Schlage FC21 Offerman?
None. The FC21 is a purely mechanical cylindrical knob set, no power and no batteries. If a keypad is what you are after for a rental or a common door, the Delaney LP250 electronic keypad leverlock is a Grade 2 option, and the Lockey 1150 is a mechanical keypad lever set covering 1-1/8 to 2 inch doors.
How fast can I get the Schlage Residential FC21 OFM 619 ALD 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 FC21 OFM 619 ALD come with a warranty?
Absolutely. The Schlage Residential FC21 OFM 619 ALD 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 FC21 OFM 619 ALD?
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