PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC21CFClip,electrical

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5999-00-904-6654 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-904-6654 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-904-6654. Primary manufacturer part number: FC21CF.
Features
  • Clip,electrical — FSC 5999
  • Current Rating in Amps: 30.0
  • Unthreaded Mounting Hole Diameter: 0.196 INCHES NOMINAL IN
  • Test Data Document: 81349-MIL-F-21346/1 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.).
  • Mounting Facility Quantity: 1
  • Hole Accommodation Diameter: 0.406 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Style Designator: FERRULE CLIP W/STOP
Applications
  • Applications requiring Steel Body construction
General Description

The Clip,electrical, cataloged under National Stock Number 5999-00-904-6654, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-904-6654
Primary Part NumberFC21CF
Item NameClip,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Current Rating in Amps30.0
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL IN
Test Data Document81349-MIL-F-21346/1 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.).
Mounting Facility Quantity1
Hole Accommodation Diameter0.406 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Style DesignatorFERRULE CLIP W/STOP
MaterialSTEEL BODY
Current Rating in Amps30.0
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL IN
Test Data Document81349-MIL-F-21346/1 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.).
Mounting Facility Quantity1
Hole Accommodation Diameter0.406 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Style DesignatorFERRULE CLIP W/STOP
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-068-7309
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeDN
Weight0.0100 lbs
Cube0.0001 cu ft
Verified Substitutes 12
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Clip,electrical
Cross-Reference Index
Part NumberManufacturer
FC21CF Cooper Bussmann, Llc Dba Cooper Industries (USA)
FC21CP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FC21CF L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
MILF21346-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55507/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FC21C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FC21CF Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55507/01 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M21346/1-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA55507/01-04 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
SUCCESSOR 5999-00-068-7309 Clip,electrical
5999-00-069-7622SUCCESSOR
CLIP,ELECTRICAL
5999-00-081-6721SUCCESSOR
CLIP,ELECTRICAL
5999-00-465-1283SUCCESSOR
CLIP,ELECTRICAL
5999-00-752-3620SUCCESSOR
CLIP,ELECTRICAL
5999-00-880-9585SUCCESSOR
CLIP,ELECTRICAL
5999-00-892-8349SUCCESSOR
CLIP,ELECTRICAL
5999-00-954-5113SUCCESSOR
CLIP,ELECTRICAL
5999-01-070-4512SUCCESSOR
CLIP,ELECTRICAL
5999-01-281-9837SUCCESSOR
CLIP,ELECTRICAL
5999-01-308-7935SUCCESSOR
CLIP,ELECTRICAL
5999-01-394-1212SUCCESSOR
CLIP,ELECTRICAL

Frequently Asked Questions

What is NSN 5999-00-904-6654?

NSN 5999-00-904-6654 is a Clip,electrical, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-904-6654?

NSN 5999-00-904-6654 has 10 cross-referenced part numbers: FC21CF (Cooper Bussmann, Llc Dba Cooper Industries), FC21CP (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FC21CF (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), MILF21346-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-55507/1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5999-00-904-6654?

There are 12 known substitutes for 5999-00-904-6654: 5999-00-068-7309, 5999-00-069-7622, 5999-00-081-6721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FC21CF?

Key specifications for FC21CF: Current Rating in Amps: 30.0; Unthreaded Mounting Hole Diameter: 0.196 INCHES NOMINAL IN; Test Data Document: 81349-MIL-F-21346/1 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.).; Overall Height: 0.800 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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