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Technical Data Sheet
PartsTable / COMPONENT / FM04-125V3/8A
FM04-125V3/8A ✓ Verified by PartsTable
— · COMPONENT
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 FM04-125V3/8A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-172-5124, 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
FM04-125V3/8A
NSN: 5920-00-172-5124
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberFM04-125V3/8A
NSN5920-00-172-5124
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FM04-125V3/8A TITLE COMPONENT PN FM04-125V3/8A MFR FM04-125V3/8A
KEY FEATURES
•
TEST DATA DOCUMENT: 81349-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 DATA: 81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
•
SURFACE TREATMENT: SOLDER TERMINAL
•
BODY STYLE: PIGTAIL TYPE
•
MAXIMUM VOLTAGE RATING IN VOLTS: 125.0 AC AND 125.0 DC
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
TECHNICAL CHARACTERISTICS (FLIS)
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
SURFACE TREATMENTSOLDER TERMINAL
BODY STYLEPIGTAIL TYPE
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC AND 125.0 DC
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
OVERALL DIAMETER0.093 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
518/4/91020/001Interchangeable
interchangeable cross-reference
interchangeable
888273Interchangeable
interchangeable cross-reference
interchangeable
FM04A125V1AInterchangeable
interchangeable cross-reference
interchangeable
ASC1255046Interchangeable
interchangeable cross-reference
interchangeable
FM04-125V1-2AInterchangeable
interchangeable cross-reference
interchangeable
5920PL0821194Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FM04-125V3/8A?
FM04-125V3/8A is a FM04-125V3/8A.
What parts can replace FM04-125V3/8A?
There are 34 known substitutes for FM04-125V3/8A: 518/4/91020/001, 888273, FM04A125V1A and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FM04-125V3/8A?
FM04-125V3/8A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-172-5124. 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