PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103.9-166Fuse,cartridge

Walsh Body and Trailer Corp · NSN 5920-00-646-4628 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-646-4628 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-646-4628. Primary manufacturer part number: 103.9-166.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 3.000
  • Interruption Indicator Method: OPAQUE BODY
  • Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Overall Diameter: 0.556 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
  • Material: PLASTIC MELAMINE AND GLASS CASE
Applications
  • Applications requiring Plastic Melamine and Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-646-4628, 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 Walsh Body and Trailer Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-646-4628
Primary Part Number103.9-166
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerWalsh Body and Trailer Corp
StatusACTIVE
Continuous Current Rating in Amps3.000
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating in Volts500.0 AC AND 500.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Overall Diameter0.556 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
MaterialPLASTIC MELAMINE AND GLASS CASE
Body StyleTUBE TYPE
Specification/standard Data81349-MIL-F-15160/61 GOVERNMENT SPECIFICATION
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 TreatmentNICKEL TERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-450-1345 INTERCHANGEABLE
Fuse,cartridge
5920-00-501-3941 INTERCHANGEABLE
Fuse,cartridge
5920-00-646-4622 INTERCHANGEABLE
Fuse,cartridge
5920-00-646-4629 INTERCHANGEABLE
Fuse,cartridge
5920-00-646-4630 INTERCHANGEABLE
Fuse,cartridge
5920-00-646-4631 INTERCHANGEABLE
Fuse,cartridge
5920-00-646-4632 INTERCHANGEABLE
Fuse,cartridge
5920-00-809-7802 INTERCHANGEABLE
Fuse,cartridge
5920-00-823-0751 INTERCHANGEABLE
Fuse,cartridge
5920-00-823-0806 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
103.9-166 Walsh Body and Trailer Corp (USA)
F61C500V3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5920PL1297729 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-PRF-15160/61 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF15160-61 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F61C500V3A General Electric Company Dba Ge (USA)
F61C500V3A Cooper Bussmann, Llc Dba Cooper Industries (USA)
10309-166 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-450-1345INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-501-3941INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-646-4622INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-646-4629INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-646-4630INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-646-4631INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-646-4632INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-809-7802INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-823-0751INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-823-0806INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-853-0177INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-855-4261INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-646-4628?

NSN 5920-00-646-4628 is a Fuse,cartridge, manufactured by Walsh Body and Trailer Corp, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-646-4628?

NSN 5920-00-646-4628 has 8 cross-referenced part numbers: 103.9-166 (Walsh Body and Trailer Corp), F61C500V3A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5920PL1297729 (Jednolity Indeks Materialowy - Uniform Material Index), MIL-PRF-15160/61 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF15160-61 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5920-00-646-4628?

There are 12 known substitutes for 5920-00-646-4628: 5920-00-450-1345, 5920-00-501-3941, 5920-00-646-4622 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103.9-166?

Key specifications for 103.9-166: Continuous Current Rating in Amps: 3.000; Interruption Indicator Method: OPAQUE BODY; Overall Length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC. 12 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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