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Technical Data Sheet
PartsTable / MRO / FM03-1 1-2A
FM03-1 1-2A ✓ 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: CERAMIC OR PLASTIC CASE, body_style: TUBE TYPE, overall_length: 1.250 INCHES NOMINAL IN, overall_diameter: 0.250 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, surface_treatment: NICKEL 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 5920-00-246-2186, 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→ FM03-1 1-2A
NSN: 5920-00-246-2186
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCERAMIC OR PLASTIC CASE
body_styleTUBE TYPE
overall_length1.250 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentNICKEL TERMINAL
specification/standard_data81349-MIL-F-23419/9 GOVERNMENT SPECIFICATION
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts250.0 AC AND 250.0 DC
continuous_current_rating_in_amps1.500
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-00-246-2186
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN FM03-1 1-2A MFR FUSE,CARTRIDGE
KEY FEATURES
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
•
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
•
CONTINUOUS CURRENT RATING IN AMPS: 1.500
•
OVERALL DIAMETER: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
MATERIAL: CERAMIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
INTERRUPTION INDICATOR METHODOPAQUE BODY
OVERALL LENGTH1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
CONTINUOUS CURRENT RATING IN AMPS1.500
OVERALL DIAMETER0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
MATERIALCERAMIC CASE
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.).
SURFACE TREATMENTNICKEL TERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MIL-F-23419/3Interchangeable
interchangeable cross-reference
interchangeable
FM03-250V6AInterchangeable
interchangeable cross-reference
interchangeable
FM03-125V15AInterchangeable
interchangeable cross-reference
interchangeable
MILF23419-3Interchangeable
interchangeable cross-reference
interchangeable
ABC12Interchangeable
interchangeable cross-reference
interchangeable
FM03-250V12AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FM03-1 1-2A?
FM03-1 1-2A is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace FM03-1 1-2A?
There are 24 known substitutes for FM03-1 1-2A: MIL-F-23419/3, FM03-250V6A, FM03-125V15A and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FM03-1 1-2A?
FM03-1 1-2A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-246-2186. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026