PartsTable
Technical Data Sheet

TR/AC1-4 — FUSE,CARTRIDGE

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

TR/AC1-4: 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: 1.200 INCHES NOMINAL IN, overall_diameter: 0.095 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, surface_treatment: COPPER ALLOY TERMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5920-01-381-7691, 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→ TR/AC1-4
NSN: 5920-01-381-7691
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
body_stylePIGTAIL TYPE
overall_length0.280 INCHES NOMINAL IN
terminal_length1.200 INCHES NOMINAL IN
overall_diameter0.095 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentCOPPER ALLOY TERMINAL
terminal_diameter0.025 INCHES NOMINAL IN
interruption_indicator_methodCERAMIC SHELL BREAKS
maximum_voltage_rating_in_volts125.0 AC
continuous_current_rating_in_amps0.250
circuit_over-current_interruption_typeDELAY TIME
NSN5920-01-381-7691
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN TR/AC1-4 MFR FUSE,CARTRIDGE
KEY FEATURES
•
CONTINUOUS CURRENT RATING IN AMPS: 0.250
•
TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN
•
BODY STYLE: PIGTAIL TYPE
•
OVERALL DIAMETER: 0.095 INCHES NOMINAL IN
•
TERMINAL LENGTH: 1.200 INCHES NOMINAL IN
•
INTERRUPTION INDICATOR METHOD: CERAMIC SHELL BREAKS
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
TECHNICAL CHARACTERISTICS
CONTINUOUS CURRENT RATING IN AMPS0.250
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
BODY STYLEPIGTAIL TYPE
OVERALL DIAMETER0.095 INCHES NOMINAL IN
TERMINAL LENGTH1.200 INCHES NOMINAL IN
OVERALL LENGTH0.280 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODCERAMIC SHELL BREAKS
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
SURFACE TREATMENTCOPPER ALLOY TERMINAL
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC
SUBSTITUTES & CROSS-REFERENCES 1
R255.250-TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TR/AC1-4?
TR/AC1-4 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace TR/AC1-4?
There is 1 known substitute for TR/AC1-4: R255.250-T. Substitute compatibility should be verified for your specific system.
What is the NSN for TR/AC1-4?
TR/AC1-4 is cataloged in the U.S. Government catalog under NSN 5920-01-381-7691. 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.