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“
Small Format Interchangeable Cores
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RELATED FAQS
Question
Answer
Is a standard cylinder keyway such as "C" available in SFIC?
Resolution:
It is not possible to key SFIC and standard cylinders including Schlage FSIC into the same system. A keyway name may be shared between the two key fami...:
What is the part number for T lock tailpiece used with a conventional cylinder?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. Refer to Table 1 for a list of T lock tailpieces for conventional cylinders. Table 2 show...:
What is the part number for a FSIC?
Resolution:
DESCRIPTION PART NUMBER Conventional Core 23-030 Conventional Core less logo 23-031 Primus Core 20-740 Primus XP Core 20-740-XP Primus Core less logo 20-741 ...:
How to convert a ND series lock cylinder format from PD to BD?
Resolution:
On ND locks manufactured prior to January 30, 2017, the lever, spring cage and tailpiece needed to be replaced with the SFIC lever, SFIC spring cage and the SFIC driver . N123-056 - Outside sp...:
What cylinders are available with UL437?
Resolution:
UL437 is testing requirement that cylinders pass both a timed cylinder pick test, a forceful core/cylinder pull test as well as a destructive entry test. We have various c...:
Does Schlage offer a 7 pin FSIC?
Resolution:
The Schlage Full Size IC core is 6 pin only. :
Can I get the RU series with a Schlage Full Size Interchangeable core?
Resolution:
The RU lock can accept a Schlage Full Size core, but the cylinder suffix must be specified as "J IC-SC" so the correct parts are supplied. The tailpiece will come with the lock. Example: RU581J IC-SC:
What is the part number for a full size interchangeable core control key?
Resolution:
Classic Conventional Key Blanks and Cut Keys Part Number Description Key Blanks 35-056 Control Standard bow, embossed both sides 35-076 Standard bow, unembossed both s...:
What is the part number for a control pin for a 23-030?
Resolution:
There are two parts that can be referred to as control pins for a 23-030 (FSIC core).C603-967 is the lower control pin that sits in the seventh hole of the FSIC plug. (part B in exploded view) ...:
How to order the mortise full size interchangeable core with a construction core.
Resolution:
This only applies to the full size interchangeable cores. The SFIC mortise cylinders have part numbers for housings with construction cores (Disposable and Keyed). Simply add (-ICX) to the end o...:
Does the Schlage SFIC rim housings accept both 6 and 7 pin IC cores?
Resolution:
The Schlage small format interchangeable core rim cylinders 80-329, 80-159, 80-116, and 08-129 can accept 6 pin and 7 pin small format cores.:
Is the C987 a small format or full size core?
Resolution:
The "C" indicates small format IC core, which is the only core style Falcon products. The C987 will be provided less core unless -6, or -7 suffix is specified (6 or 7 pin core) Example:...:
What is the length of a Schlage rim cylinder?
Resolution:
The Schlage rim cylinder lengths are given below and were measured from the face of the cylinder to the back of the tailpiece. Because of allowable tolerances for each part the average length is l...:
What cylinders are used to operate Von Duprin devices?
Resolution:
If unclear whether mortise, rim, or key-in-lever is needed, reference links below to determine what cylinder type is needed. In order to determine cylinder type n...:
What tools and pinning kits are required to service Everest 29 keys and cylinders?
Resolution:
The current tools, pinning kits and key originating machines for all Schlage Everest full size cylinders and small format cores are the same used on Everest 29.:
What is the part number for the Schlage small format rim cylinder tailpiece?
Resolution:
B502-899 is the tailpiece for both the SFIC and standard rim cylinders.:
What is the part number for the full size core driver for the ND series?
Resolution:
The ND-Series FSIC driver is part number N523-127.:
FSIC
Resolution:
Full Size Interchangeable Core, a large format cylinder core that can be removed from one housing and placed into another lock without removing or disassembling the lockset/door hardware.:
Does Schlage offer a cam that will work with a Yale mortise lock?
Resolution:
Schlage offers a comparable cam to the Yale 2160 and it will operate any Yale lock that utilizes the Yale 2160 cam. Schlage Cams for Yale 2160 Part Number Description B520-7...:
How are interchangeable cores installed?
Resolution:
A control key is required to install or remove an interchangeable core from a housing or lever. The control key is identified by having "CONTROL" stamped on the bow. How to install and remove an i...:
How do you order the ND series lock with a small format core?
Resolution:
The letters GD, HD, BD, or BDC should be put after the lock function. EXAMPLE: ND53BD GD = Schlage SFIC core HD = Construction core BD = Less core BDC = Plastic temporary construction core:
Is the 23-030 a small format or full size core?
Resolution:
The 23-030 is a Schlage Full size interchangeable core. :
SFIC
Resolution:
(Small Format Interchangeable Core is a small format cylinder core which can be removed from one housing and placed into another lock without removing or disassembling the lockset/door hardware.:
What is a mechanical Lock?
Resolution:
A lock is any device which prevents access or use by requiring special knowledge or equipment. Mechanical locks are mechanical devices which secure an opening by keeping a door closed until a rel...: