PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F03A-1/2SFuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-091-1818 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-091-1818 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-091-1818. Primary manufacturer part number: F03A-1/2S.
Features
  • Fuse,cartridge — FSC 5920
  • Test Data Document: 81349-MIL-F-15160 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 Treatment: SILVER TERMINAL
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Precious Material and Location: TERMINAL SURFACES SILVER
  • Interruption Indicator Method: OPAQUE BODY
  • Overall Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-091-1818, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-091-1818
Primary Part NumberF03A-1/2S
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Test Data Document81349-MIL-F-15160 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 TreatmentSILVER TERMINAL
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Precious Material and LocationTERMINAL SURFACES SILVER
Interruption Indicator MethodOPAQUE BODY
Overall Diameter0.250 INCHES NOMINAL IN
Precious MaterialSILVER
Continuous Current Rating in Amps0.500
MaterialCOPPER OR COPPER ALLOY TERMINAL
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
MaterialCERAMIC OR PLASTIC CASE
Specification/standard Data81349-MIL-F-15160/3 GOVERNMENT SPECIFICATION
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5920-00-204-8102L01121 INTERCHANGEABLE
Fuse,cartridge
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5920-00-518-1791 INTERCHANGEABLE
Fuse,cartridge
5920-00-820-8446ABC-1/2 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-01-584-3613 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
F03A-1/2S Cooper Bussmann, Llc Dba Cooper Industries (USA)
MIL-F-15160/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F03A250V1/2AS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-15160/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5920-00-204-8102INTERCHANGEABLE
FUSE,CARTRIDGE
L01121
5920-00-518-1791INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-820-8446INTERCHANGEABLE
FUSE,CARTRIDGE
ABC-1/2
5920-01-584-3613INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-091-1818?

NSN 5920-01-091-1818 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-091-1818?

NSN 5920-01-091-1818 has 4 cross-referenced part numbers: F03A-1/2S (Cooper Bussmann, Llc Dba Cooper Industries), MIL-F-15160/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F03A250V1/2AS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-15160/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5920-01-091-1818?

There are 4 known substitutes for 5920-01-091-1818: 5920-00-204-8102, 5920-00-518-1791, 5920-00-820-8446 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F03A-1/2S?

Key specifications for F03A-1/2S: Test Data Document: 81349-MIL-F-15160 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 Treatment: SILVER TERMINAL; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Overall Length: 1.250 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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