PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518/4/91020/001Fuse,cartridge

Thales Uk Limited Dba Thales Uk Ltd Underwater Systems · NSN 5920-00-004-0274 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-004-0274 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-004-0274. Primary manufacturer part number: 518/4/91020/001.
Features
  • Fuse,cartridge — FSC 5920
  • Specification/standard Data: 81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-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.).
  • Terminal Diameter: 0.025 INCHES NOMINAL IN
  • Material: COPPER TERMINAL
  • Overall Diameter: 0.093 INCHES NOMINAL IN
  • Fragility Factor: MODERATELY RUGGED
  • Terminal Length: 1.500 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-004-0274, 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 Thales Uk Limited Dba Thales Uk Ltd Underwater Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-004-0274
Primary Part Number518/4/91020/001
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerThales Uk Limited Dba Thales Uk Ltd Underwater Systems
StatusCANCELLED
Specification/standard Data81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION
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.).
Terminal Diameter0.025 INCHES NOMINAL IN
MaterialCOPPER TERMINAL
Overall Diameter0.093 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Terminal Length1.500 INCHES NOMINAL IN
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps1.000
MaterialCERAMIC CASE
Body StylePIGTAIL TYPE
Surface TreatmentSOLDER TERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-172-5124 INTERCHANGEABLE
Fuse,cartridge
5920-00-175-4577 INTERCHANGEABLE
Fuse,cartridge
5920-00-175-5967 INTERCHANGEABLE
Fuse,cartridge
5920-00-221-8371 INTERCHANGEABLE
Fuse,cartridge
5920-00-236-8150 INTERCHANGEABLE
Fuse,cartridge
5920-00-402-1721 INTERCHANGEABLE
Fuse,cartridge
5920-00-413-1337 INTERCHANGEABLE
Fuse,cartridge
5920-00-413-1338 INTERCHANGEABLE
Fuse,cartridge
5920-00-471-2548 INTERCHANGEABLE
Fuse,cartridge
5920-00-480-4063 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
518/4/91020/001 Thales Uk Limited Dba Thales Uk Ltd Underwater Systems (GBR)
888273 Cae Usa Inc. (USA)
FM04A125V1A Cape Electrical Supply Llc Dba Marion Electrical Supply (USA)
277001 Littelfuse, Inc. (USA)
FM04A125V1A International Television Corporation Dba Itc Electronics (USA)
MIL-PRF-23419/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FM04-1A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2751.0 Littelfuse, Inc. (USA)
FM04A125V1A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
275001 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
FM04125V1A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
275-001 Data Entry Inc (USA)
G613001-3 American Telephone and Telegraph Co (USA)
2213-007 Extel Corp (USA)
264-0964-080 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
277-001 Littelfuse, Inc. (USA)
10056554 Nimikkeistokeskus Ncb Finland (FIN)
5920PL1331828 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5920-00-172-5124INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-175-4577INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-175-5967INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-221-8371INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-236-8150INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-402-1721INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-413-1337INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-413-1338INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-471-2548INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-480-4063INTERCHANGEABLE
FUSE,CARTRIDGE
6515-00-664-5400INTERCHANGEABLE
CHISEL,BONE
40-6771
4920-00-799-5023INTERCHANGEABLE
LOAD SENSOR,HYDRAUL
27500-1

Frequently Asked Questions

What is NSN 5920-00-004-0274?

NSN 5920-00-004-0274 is a Fuse,cartridge, manufactured by Thales Uk Limited Dba Thales Uk Ltd Underwater Systems, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-004-0274?

NSN 5920-00-004-0274 has 18 cross-referenced part numbers: 518/4/91020/001 (Thales Uk Limited Dba Thales Uk Ltd Underwater Systems), 888273 (Cae Usa Inc.), FM04A125V1A (Cape Electrical Supply Llc Dba Marion Electrical Supply), 277001 (Littelfuse, Inc.), FM04A125V1A (International Television Corporation Dba Itc Electronics) and 13 more.

What NSN replaces 5920-00-004-0274?

There are 12 known substitutes for 5920-00-004-0274: 5920-00-172-5124, 5920-00-175-4577, 5920-00-175-5967 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 518/4/91020/001?

Key specifications for 518/4/91020/001: Specification/standard Data: 81349-MIL-F-23419/4 GOVERNMENT SPECIFICATION; Test Data Document: 81349-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.).; Terminal Diameter: 0.025 INCHES NOMINAL IN; Material: COPPER TERMINAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-004-0274 still in active supply?

NSN 5920-00-004-0274 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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