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Technical Data Sheet
PartsTable / MRO / F21A250V250A
F21A250V250A ✓ 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 LINK,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: FIBER CASE, body_style: KNIFE BLADE TYPE, overall_length: 8.625 INCHES NOMINAL IN, terminal_length: 1.875 INCHES NOMINAL IN, overall_diameter: 2.406 INCHES MAXIMUM IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-243-3757, 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→ F21A250V250A
NSN: 5920-00-243-3757
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_length8.625 INCHES NOMINAL IN
terminal_length1.875 INCHES NOMINAL IN
overall_diameter2.406 INCHES MAXIMUM IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentNICKEL TERMINAL
terminal_thickness0.250 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND A STYLE
specification/standard_data81349-MIL-F-15160/21 GOVERNMENT SPECIFICATION
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts250.0 DC
NSN5920-00-243-3757
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE LINK,ELECTRICAL TITLE COMPONENT PN F21A250V250A MFR FUSE LINK,ELECTRICAL
KEY FEATURES
•
BODY STYLE: KNIFE BLADE TYPE
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
MATERIAL: COPPER TERMINAL
•
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: NICKEL TERMINAL
•
CONTINUOUS CURRENT RATING IN AMPS: 250.000
•
TERMINAL LENGTH: 1.875 INCHES MINIMUM IN
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEKNIFE BLADE TYPE
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
MATERIALCOPPER TERMINAL
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 TREATMENTNICKEL TERMINAL
CONTINUOUS CURRENT RATING IN AMPS250.000
TERMINAL LENGTH1.875 INCHES MINIMUM IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
OVERALL DIAMETER2.406 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
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
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F21A250V250A?
F21A250V250A is a FUSE LINK,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace F21A250V250A?
There are 20 known substitutes for F21A250V250A: TR400R, E0N400, FRNR400 and 17 more. Substitute compatibility should be verified for your specific system.
Is F21A250V250A still available?
F21A250V250A is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026