PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FRN-R25Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-172-6358 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-172-6358 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-172-6358. Primary manufacturer part number: FRN-R25.
Features
  • Fuse,cartridge — FSC 5920
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Interruption Indicator Method: OPAQUE BODY
  • Maximum Voltage Rating in Volts: 250.0 AC AND 125.0 DC
  • Fragility Factor: MODERATELY RUGGED
  • Continuous Current Rating in Amps: 25.000
Applications
  • Applications requiring Fiber Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-172-6358, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-172-6358
Primary Part NumberFRN-R25
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Overall Diameter0.562 INCHES NOMINAL IN
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating in Volts250.0 AC AND 125.0 DC
Fragility FactorMODERATELY RUGGED
Continuous Current Rating in Amps25.000
MaterialFIBER CASE
Surface TreatmentNICKEL TERMINAL
Body StyleREJECTION GROOVE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-01-259-3081 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
FLNR25 Littelfuse, Inc. (USA)
ECNR25 Federal Pacific Electric Co Economy Fuse Div (USA)
FRN-R25 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
5920011726358 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
TR25R Niland Tom Equipment Co Inc (USA)
CRNR25 Cefco/english Electric of N Y Inc (USA)
Related Parts
5920-01-259-3081INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-172-6358?

NSN 5920-01-172-6358 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-172-6358?

NSN 5920-01-172-6358 has 6 cross-referenced part numbers: FLNR25 (Littelfuse, Inc.), ECNR25 (Federal Pacific Electric Co Economy Fuse Div), FRN-R25 (Cooper Bussmann, Llc Dba Cooper Industries), 5920011726358 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), TR25R (Niland Tom Equipment Co Inc) and 1 more.

What NSN replaces 5920-01-172-6358?

There is 1 known substitute for 5920-01-172-6358: 5920-01-259-3081. Verify interchangeability with system specifications before substitution.

What are the specifications of FRN-R25?

Key specifications for FRN-R25: Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Overall Diameter: 0.562 INCHES NOMINAL IN; Overall Length: 2.000 INCHES NOMINAL IN; Features Provided: NONRENEWABLE FUSIBLE ELEMENT. 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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