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Technical Data Sheet
PartsTable / MRO / F21A250V300AS
F21A250V300AS ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include material: FIBER CASE, body_style: KNIFE BLADE TYPE, overall_length: 8.531 INCHES MINIMUM AND 8.719 INCHES MAXIMUM IN, terminal_length: 1.875 INCHES MINIMUM IN, overall_diameter: 2.406 INCHES MAXIMUM IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-984-3137, 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→ F21A250V300AS
NSN: 5920-00-984-3137
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialFIBER CASE
body_styleKNIFE BLADE TYPE
overall_length8.531 INCHES MINIMUM AND 8.719 INCHES MAXIMUM IN
terminal_length1.875 INCHES MINIMUM IN
overall_diameter2.406 INCHES MAXIMUM IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
precious_materialSILVER
surface_treatmentSILVER TERMINAL
terminal_thickness0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
specification/standard_data81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
interruption_indicator_methodOPAQUE BODY
precious_material_and_locationTERMINAL SURFACES SILVER
NSN5920-00-984-3137
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN F21A250V300AS MFR FUSE,CARTRIDGE
KEY FEATURES
•
TEST DATA DOCUMENT: 81349-MIL-F-15160 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.).
•
SURFACE TREATMENT: SILVER TERMINAL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
•
PRECIOUS MATERIAL AND LOCATION: TERMINAL SURFACES SILVER
•
PRECIOUS MATERIAL: SILVER
•
TERMINAL LENGTH: 1.875 INCHES MINIMUM IN
•
CONTINUOUS CURRENT RATING IN AMPS: 300.000
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
TECHNICAL CHARACTERISTICS (FLIS)
TEST DATA DOCUMENT81349-MIL-F-15160 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.).
SURFACE TREATMENTSILVER TERMINAL
SPECIFICATION/STANDARD DATA81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACES SILVER
PRECIOUS MATERIALSILVER
TERMINAL LENGTH1.875 INCHES MINIMUM IN
CONTINUOUS CURRENT RATING IN AMPS300.000
INTERRUPTION INDICATOR METHODOPAQUE BODY
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
OVERALL LENGTH8.531 INCHES MINIMUM AND 8.719 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
TR400RInterchangeable
interchangeable cross-reference
interchangeable
E0N400Interchangeable
interchangeable cross-reference
interchangeable
FRNR400Interchangeable
interchangeable cross-reference
interchangeable
WF791Interchangeable
interchangeable cross-reference
interchangeable
F21A250V300AInterchangeable
interchangeable cross-reference
interchangeable
W-F-1814/60CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F21A250V300AS?
F21A250V300AS is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace F21A250V300AS?
There are 21 known substitutes for F21A250V300AS: TR400R, E0N400, FRNR400 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F21A250V300AS?
F21A250V300AS is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-984-3137. 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