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Technical Data Sheet
PartsTable / MRO / 7903009-01
7903009-01 ✓ 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: 0.102 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 5920-00-402-1721, 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→ 7903009-01
NSN: 5920-00-402-1721
FSC: 5920
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
body_stylePIGTAIL TYPE
overall_length0.310 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.102 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_amps0.250
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-00-402-1721
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN 7903009-01 MFR FUSE,CARTRIDGE
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
•
SURFACE TREATMENT: SOLDER TERMINAL
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
•
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
•
CONTINUOUS CURRENT RATING IN AMPS: 0.250
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
SURFACE TREATMENTSOLDER TERMINAL
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
INTERRUPTION INDICATOR METHODOPAQUE BODY
TERMINAL LENGTH1.500 INCHES NOMINAL IN
CONTINUOUS CURRENT RATING IN AMPS0.250
OVERALL LENGTH0.310 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS125.0 DC
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 38
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 7903009-01?
7903009-01 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7903009-01?
There are 38 known substitutes for 7903009-01: 518/4/91020/001, 888273, FM04A125V1A and 35 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7903009-01?
7903009-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-402-1721. 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