PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0T40Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-050-0541 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-050-0541 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-050-0541. Primary manufacturer part number: 0T40.
Features
  • Fuse,cartridge — FSC 5920
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Continuous Current Rating in Amps: 40.000
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Interruption Indicator Method: OPAQUE BODY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Material: FIBERGLASS BODY
Applications
  • Applications requiring Fiberglass Body construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-050-0541, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN5920-00-050-0541
Primary Part Number0T40
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusCANCELLED
Overall Diameter0.812 INCHES NOMINAL IN
Continuous Current Rating in Amps40.000
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Interruption Indicator MethodOPAQUE BODY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
MaterialFIBERGLASS BODY
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.).
Body StyleTUBE TYPE
Specification/standard Data81349-MIL-F-15160/16 GOVERNMENT SPECIFICATION
Surface TreatmentNICKEL TERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-050-4961 INTERCHANGEABLE
Fuse,cartridge
5920-00-050-4972 INTERCHANGEABLE
Fuse,cartridge
5920-00-062-3032 INTERCHANGEABLE
Fuse,cartridge
5920-00-252-2022 INTERCHANGEABLE
Fuse,cartridge
5920-00-252-2027 INTERCHANGEABLE
Fuse,cartridge
5920-00-280-3181 INTERCHANGEABLE
Fuse,cartridge
5920-00-281-0158 INTERCHANGEABLE
Fuse,cartridge
5920-00-281-0159 INTERCHANGEABLE
Fuse,cartridge
5920-00-336-24750T40 INTERCHANGEABLE
Fuse,cartridge
Mersen Usa Ep Corp. Dba Ferraz Shawmut
5920-00-686-2664 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
0T40 Cooper Bussmann, Llc Dba Cooper Industries (USA)
N0N40 Cooper Bussmann, Llc Dba Cooper Industries (USA)
MIL-PRF-15160/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F16G40R0A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NON 40A Cooper Bussmann, Llc Dba Cooper Industries (USA)
F16A250V40A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-050-4961INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-050-4972INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-062-3032INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-252-2022INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-252-2027INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-280-3181INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-281-0158INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-281-0159INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-336-2475INTERCHANGEABLE
FUSE,CARTRIDGE
0T40
5920-00-686-2664INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-813-9639INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-851-4739INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-050-0541?

NSN 5920-00-050-0541 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-050-0541?

NSN 5920-00-050-0541 has 7 cross-referenced part numbers: 0T40 (Cooper Bussmann, Llc Dba Cooper Industries), N0N40 (Cooper Bussmann, Llc Dba Cooper Industries), MIL-PRF-15160/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F16G40R0A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NON 40A (Cooper Bussmann, Llc Dba Cooper Industries) and 2 more.

What NSN replaces 5920-00-050-0541?

There are 12 known substitutes for 5920-00-050-0541: 5920-00-050-4961, 5920-00-050-4972, 5920-00-062-3032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0T40?

Key specifications for 0T40: Overall Diameter: 0.812 INCHES NOMINAL IN; Continuous Current Rating in Amps: 40.000; Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-050-0541 still in active supply?

NSN 5920-00-050-0541 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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