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troubleshooting fsic cores
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RELATED FAQS
Question
Answer
Can an ND lock with SFIC cores be extended to fit a 3" extended outside door?
Resolution:
ND locks can be extended up to 6" Extended Outside. :
Is the 23-030 a small format or full size core?
Resolution:
The 23-030 is a Schlage Full size interchangeable core. :
What is the Falcon SZ-Series Door?
Resolution:
Falcon SZ Series Door is the economy Steelcraft commercial grade door recommended light commercial applications when architectural specification are not needed. Options: The SZ-Series door is...:
Does Schlage offer a 7 pin FSIC?
Resolution:
The Schlage Full Size IC core is 6 pin only. :
Are the Everest D family keys and cores restricted?
Resolution:
All of the Everest D sections/keyways are restricted.:
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) ...:
What type of core will a lock with the cylinder suffix "J" accept?
Resolution:
The full size interchangeable cores or FSIC from Schlage.:
Will Schlage make a cylinder in another vendors keyway?
Resolution:
Schlage only offers a limited number of keyways that match the BEST sections. Available in keys and cores.Specify keyway using the B suffix: AB = A, BB=B, CB=C, DB = D, DDB=DD, EB = E, FB = F, GB =...:
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...:
What Schlage construction core will work in a C987?
Resolution:
Any SFIC core will operate in the C987. Specifically, the Schlage temporary cores are the 80-035 GRN and 80-035 BRN.:
Does Schlage offer a Rim cylinder FSIC housing less core?
Resolution:
Rim cylinder housing only for SFIC is part number 80-129.:
Why is the plug pulling out of the FSIC 23-030 mortise housing?
Resolution:
ISSUE: After some use the plug will begin to project from the cylinder face and will ultimately pull completely out. ROOT CAUSE: In a dogged application the cam was rotated 180 degrees which ...:
How can you tell the difference between the FSIC and SFIC cores?
Resolution:
There are several ways to spot differences, see Figure 1, but the easiest is to look at the face of each core. The face of both cores looks like a "figure 8". With small format, bo...:
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 are the thermal factors for Steelcraft door products?
Resolution:
All doors are tested in accordance with ASTM C1363 and SDI 113:B18 Series (Steel Stiffeners) U-Factor = 0.50 R-Value = 2.01B16 Series (Steel Sti...:
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...:
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...:
When ordering the ND lock less cylinder will it come with a tailpiece?
Resolution:
The Schlage ND is shipped with a driver/tailpiece when ordered with a LD, BD, or JD suffix.:
Driver pins on SFIC mortise housings loosen up and fall out.
Resolution:
Issue: Schlage SFIC mortise cylinders have potential for the driver pins to fall out affecting the ability to lock and unlock the device.Facts: Housings manufactured between 06/01/2...:
What parts are needed to convert JD to BD on an ND lock?
Resolution:
For ND Locks shipping prior to January 30, 2017:The springcage(s), lever, and core driver will need to be changed. Depending on the function the components below are required.Outside spring c...:
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.:
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 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:...:
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...:
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 ...:
What cores are offered for insulated doors?
Resolution:
Insulated Core Options: Steelcraft L-Series doors are available with the following 2 optional insulated cores: Polystyrene slab - this core is available in non fire rated and fire rated doors...:
What are the different door cores available?
Resolution:
The five most common cores are honeycomb, polystyrene, polyurethane, steel stiffened, and temperature rise. Honeycomb core doors are used for interior and exterior openings where high thermal...: