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Technical Data Sheet
PartsTable / MRO / FM04-125V4A
FM04-125V4A ✓ 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 body_style: PIGTAIL TYPE, overall_length: 0.310 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, overall_diameter: 0.165 INCHES MAXIMUM IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, surface_treatment: SOLDER TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-471-2548, 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→ FM04-125V4A
NSN: 5920-00-471-2548
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_stylePIGTAIL TYPE
overall_length0.310 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.165 INCHES MAXIMUM IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentSOLDER TERMINAL
terminal_diameter0.025 INCHES NOMINAL IN
specification/standard_data81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts125.0 DC
continuous_current_rating_in_amps4.000
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-00-471-2548
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN FM04-125V4A MFR FUSE,CARTRIDGE
KEY FEATURES
•
BODY STYLE: PIGTAIL TYPE
•
MAXIMUM VOLTAGE RATING IN VOLTS: 125.0 DC
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
•
TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN
•
CONTINUOUS CURRENT RATING IN AMPS: 4.000
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
SURFACE TREATMENT: SOLDER TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEPIGTAIL TYPE
OVERALL LENGTH0.310 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS125.0 DC
INTERRUPTION INDICATOR METHODOPAQUE BODY
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
CONTINUOUS CURRENT RATING IN AMPS4.000
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
SURFACE TREATMENTSOLDER TERMINAL
TEST DATA DOCUMENT81349-MIL-F-23419 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.).
SPECIFICATION/STANDARD DATA81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
518/4/91020/001Interchangeable
interchangeable cross-reference
interchangeable
888273Interchangeable
interchangeable cross-reference
interchangeable
FM04A125V1AInterchangeable
interchangeable cross-reference
interchangeable
4133800-63Interchangeable
interchangeable cross-reference
interchangeable
FM04-125V3/8AInterchangeable
interchangeable cross-reference
interchangeable
Z760Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FM04-125V4A?
FM04-125V4A is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace FM04-125V4A?
There are 37 known substitutes for FM04-125V4A: 518/4/91020/001, 888273, FM04A125V1A and 34 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FM04-125V4A?
FM04-125V4A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-471-2548. 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