PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55495Fuse,cartridge

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-01-012-6202 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-012-6202 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-012-6202. Primary manufacturer part number: A-A-55495.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 300.000
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Maximum Voltage Rating in Volts: 500.0 AC AND 450.0 DC
  • Interruption Indicator Method: OPAQUE BODY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Terminal Thickness: 0.245 INCHES NOMINAL IN
  • Mounting Slot Width: 0.406 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-012-6202, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 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
NSN5920-01-012-6202
Primary Part NumberA-A-55495
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Continuous Current Rating in Amps300.000
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Maximum Voltage Rating in Volts500.0 AC AND 450.0 DC
Interruption Indicator MethodOPAQUE BODY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Thickness0.245 INCHES NOMINAL IN
Mounting Slot Width0.406 INCHES NOMINAL IN
Overall Diameter1.525 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.281 INCHES NOMINAL IN
Body StyleHOLE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-038-6892 INTERCHANGEABLE
Fuse,cartridge
5920-00-162-1041 INTERCHANGEABLE
Fuse,cartridge
5920-00-174-1121 INTERCHANGEABLE
Fuse,cartridge
3110-00-190-66661202UMR101 INTERCHANGEABLE
Bearing,roller,cylindrical
Regal Beloit America, Inc. Dba Rollway Bearing
5920-00-237-0995 INTERCHANGEABLE
Fuse,cartridge
5920-00-241-6802 INTERCHANGEABLE
Fuse,cartridge
5920-00-396-8339 INTERCHANGEABLE
Fuse,cartridge
5920-00-421-5655 INTERCHANGEABLE
Fuse,cartridge
5920-00-422-0139 INTERCHANGEABLE
Fuse,cartridge
5920-00-435-1936 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
A-A-55495 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
KBH300 Cooper Bussmann, Llc Dba Cooper Industries (USA)
L50S300 Littelfuse, Inc. (USA)
A50P300-4 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
22C1049 L3harris Maritime Power & Energy Solutions, Inc (USA)
105A490P300 Varo Llc (USA)
AA55495-019 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
712042 Pacific Power Source Inc (USA)
5920PL0795156 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SF50P300 International Rectifier Corporation (USA)
FWH300A Cooper Bussmann, Llc Dba Cooper Industries (USA)
CSF50P300 Cefco/english Electric of N Y Inc (USA)
A050F300 Carbone-Ferraz Inc (USA)
UFR50P300 Denco Fuses, Inc. (USA)
Related Parts
5920-00-038-6892INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-162-1041INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-174-1121INTERCHANGEABLE
FUSE,CARTRIDGE
3110-00-190-6666INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1202UMR101
5920-00-237-0995INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-241-6802INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-396-8339INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-421-5655INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-422-0139INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-435-1936INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-435-1938INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-458-6388INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-012-6202?

NSN 5920-01-012-6202 is a Fuse,cartridge, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-01-012-6202?

NSN 5920-01-012-6202 has 14 cross-referenced part numbers: A-A-55495 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), KBH300 (Cooper Bussmann, Llc Dba Cooper Industries), L50S300 (Littelfuse, Inc.), A50P300-4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), 22C1049 (L3harris Maritime Power & Energy Solutions, Inc) and 9 more.

What NSN replaces 5920-01-012-6202?

There are 12 known substitutes for 5920-01-012-6202: 5920-00-038-6892, 5920-00-162-1041, 5920-00-174-1121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55495?

Key specifications for A-A-55495: Continuous Current Rating in Amps: 300.000; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Maximum Voltage Rating in Volts: 500.0 AC AND 450.0 DC; Interruption Indicator Method: OPAQUE BODY. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-012-6202 still in active supply?

NSN 5920-01-012-6202 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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