PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25A55017Fuse,cartridge

Critical Power Systems, Inc. Dba Compupower Systems, Inc. · NSN 5920-00-396-8339 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-396-8339 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-396-8339. Primary manufacturer part number: 25A55017.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: HOLE TYPE
  • Mounting Slot Width: 0.312 INCHES NOMINAL IN
  • Interruption Indicator Method: OPAQUE BODY
  • Terminal Thickness: 0.188 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-396-8339, 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 Critical Power Systems, Inc. Dba Compupower Systems, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 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
NSN5920-00-396-8339
Primary Part Number25A55017
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCritical Power Systems, Inc. Dba Compupower Systems, Inc.
StatusACTIVE
Body StyleHOLE TYPE
Mounting Slot Width0.312 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Terminal Thickness0.188 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Maximum Voltage Rating in Volts500.0 AC AND 500.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps125.000
Overall Diameter1.219 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
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
5920-00-237-0995 INTERCHANGEABLE
Fuse,cartridge
5920-00-241-6802 INTERCHANGEABLE
Fuse,cartridge
5920-00-421-5655 INTERCHANGEABLE
Fuse,cartridge
5920-00-422-0139 INTERCHANGEABLE
Fuse,cartridge
5920-00-435-1936 INTERCHANGEABLE
Fuse,cartridge
5920-00-435-1938 INTERCHANGEABLE
Fuse,cartridge
5920-00-458-6388 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
25A55017 Critical Power Systems, Inc. Dba Compupower Systems, Inc. (USA)
UFR50P125 Denco Fuses, Inc. (USA)
AA55495-015 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55495 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A050F125 Carbone-Ferraz Inc (USA)
FWH-125A Cooper Bussmann, Llc Dba Cooper Industries (USA)
A50P125 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
A50P125-4 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
SF50P125 International Rectifier Corporation (USA)
L50S125 Littelfuse, Inc. (USA)
128308009 Eaton Corporation (USA)
RFV125 Federal Pacific Electric Co Economy Fuse Div (USA)
FWH125 Cooper Bussmann, Llc Dba Cooper Industries (USA)
5920PL1256752 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5920-00-038-6892INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-162-1041INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-174-1121INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-237-0995INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-241-6802INTERCHANGEABLE
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
5920-00-548-4425INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-762-0620INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-396-8339?

NSN 5920-00-396-8339 is a Fuse,cartridge, manufactured by Critical Power Systems, Inc. Dba Compupower Systems, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-396-8339?

NSN 5920-00-396-8339 has 14 cross-referenced part numbers: 25A55017 (Critical Power Systems, Inc. Dba Compupower Systems, Inc.), UFR50P125 (Denco Fuses, Inc.), AA55495-015 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55495 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A050F125 (Carbone-Ferraz Inc) and 9 more.

What NSN replaces 5920-00-396-8339?

There are 12 known substitutes for 5920-00-396-8339: 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 25A55017?

Key specifications for 25A55017: Overall Length: 3.625 INCHES NOMINAL IN; Body Style: HOLE TYPE; Mounting Slot Width: 0.312 INCHES NOMINAL IN; Interruption Indicator Method: OPAQUE BODY. 11 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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