PartsTable
Technical Data Sheet
PartsTable / MRO / FC21BN
FC21BN ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The FC21BN is a the manufacturer industrial component. Key specifications include overall_width: 0.430 INCHES MAXIMUM IN, overall_height: 0.580 INCHES MAXIMUM IN, overall_length: 0.410 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), style_designator: FERRULE CLIP W/STOP, current_rating_in_amps: 30.0. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-081-6721, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ FC21BN
NSN: 5999-00-081-6721
FSC: 5999
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_width0.430 INCHES MAXIMUM IN
overall_height0.580 INCHES MAXIMUM IN
overall_length0.410 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
style_designatorFERRULE CLIP W/STOP
current_rating_in_amps30.0
voltage_rating_in_volts250.0 AC AND 250.0 DC
mounting_facility_quantity1
hole_accommodation_diameter0.281 INCHES NOMINAL IN
specification/standard_data81349-MIL-F-21346/1 GOVERNMENT SPECIFICATION
unthreaded_mounting_hole_diameter0.131 INCHES NOMINAL IN
NSN5999-00-081-6721
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN FC21BN MFR FC21BN
KEY FEATURES
•
VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.131 INCHES NOMINAL IN
•
CURRENT RATING IN AMPS: 30.0
•
TEST DATA DOCUMENT: 81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
STYLE DESIGNATOR: FERRULE CLIP W/STOP
•
HOLE ACCOMMODATION DIAMETER: 0.281 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
UNTHREADED MOUNTING HOLE DIAMETER0.131 INCHES NOMINAL IN
CURRENT RATING IN AMPS30.0
TEST DATA DOCUMENT81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STYLE DESIGNATORFERRULE CLIP W/STOP
HOLE ACCOMMODATION DIAMETER0.281 INCHES NOMINAL IN
OVERALL LENGTH0.410 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
OVERALL WIDTH0.430 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81349-MIL-F-21346/1 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
FC21EFUpgraded Successor
successor cross-reference
successor
100034Upgraded Successor
successor cross-reference
successor
MILF21346-1Upgraded Successor
successor cross-reference
successor
AA55507/01-06Upgraded Successor
successor cross-reference
successor
A-A-55507Upgraded Successor
successor cross-reference
successor
FC21CFUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FC21BN?
FC21BN is a FC21BN. It is classified as a MRO (MRO_GENERAL).
What parts can replace FC21BN?
There are 22 known substitutes for FC21BN: FC21EF, 100034, MILF21346-1 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FC21BN?
FC21BN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-081-6721. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026