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251.125 — FUSE,CARTRIDGE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

251.125: FUSE,CARTRIDGE.

The FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include body_style: PIGTAIL TYPE, overall_length: 0.280 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, overall_diameter: 0.095 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, terminal_diameter: 0.032 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5920-01-319-6739, 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→ 251.125
NSN: 5920-01-319-6739
NIINs: 013196739, 014150153
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: K8473 — LITTELFUSE UK LTD (GBR)
SPECIFICATIONS
body_stylePIGTAIL TYPE
overall_length0.280 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.095 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
terminal_diameter0.032 INCHES NOMINAL IN
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts125.0 AC
continuous_current_rating_in_amps0.125
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-01-319-6739
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN 251.125 MFR FUSE,CARTRIDGE
KEY FEATURES
•
CONTINUOUS CURRENT RATING IN AMPS: 0.125
•
TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN
•
BODY STYLE: PIGTAIL TYPE
•
OVERALL DIAMETER: 0.095 INCHES NOMINAL IN
•
TERMINAL LENGTH: 1.470 INCHES NOMINAL IN
•
MAXIMUM VOLTAGE RATING IN VOLTS: 125.0 AC
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
TECHNICAL CHARACTERISTICS
CONTINUOUS CURRENT RATING IN AMPS0.125
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
BODY STYLEPIGTAIL TYPE
OVERALL DIAMETER0.095 INCHES NOMINAL IN
TERMINAL LENGTH1.470 INCHES NOMINAL IN
OVERALL LENGTH0.280 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
SUBSTITUTES & CROSS-REFERENCES 2
4301001-0R125Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
422-012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 251.125?
251.125 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 251.125?
There are 2 known substitutes for 251.125: 4301001-0R125, 422-012. Substitute compatibility should be verified for your specific system.
What is the NSN for 251.125?
251.125 is cataloged in the U.S. Government catalog under NSN 5920-01-319-6739. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.