PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR2.5-RFuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-01-259-3081 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-259-3081 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-259-3081. Primary manufacturer part number: TR2.5-R.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: REJECTION GROOVE TYPE
  • Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING
  • Specification/standard Data: 81348-W-F-1814/56 GOVERNMENT SPECIFICATION
  • Interruption Indicator Method: OPAQUE BODY
  • Test Data Document: 81348-W-F-1814 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.).
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Continuous Current Rating in Amps: 2.500
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-259-3081, 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 Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-259-3081
Primary Part NumberTR2.5-R
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusCANCELLED
Body StyleREJECTION GROOVE TYPE
Circuit Over-Current Interruption Delay Time in Seconds10.0 500 PCT OF CURRENT RATING
Specification/standard Data81348-W-F-1814/56 GOVERNMENT SPECIFICATION
Interruption Indicator MethodOPAQUE BODY
Test Data Document81348-W-F-1814 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.).
MaterialCOPPER OR COPPER ALLOY TERMINAL
Continuous Current Rating in Amps2.500
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Circuit Over-Current Interruption TypeTIME DELAY
Overall Diameter0.562 INCHES NOMINAL IN
MaterialCERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2640-00-052-0852 INTERCHANGEABLE
Valve,pneumatic Tire
5920-00-501-3965FGN2 1-2 INTERCHANGEABLE
Fuse,cartridge
Appleton Electric Ltd
5920-01-172-6358FRN-R25 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5920-01-396-2563FRN-R-2 1/2 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
4910-01-424-8934 INTERCHANGEABLE
Lift,motor Vehicle
2610-01-497-0182TR-86 INTERCHANGEABLE
Tire,pneumatic,vehicular
Denman Tire Co
Cross-Reference Index
Part NumberManufacturer
TR2.5-R Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
3006N11P010 General Electric Company Dba Ge (USA)
WF1814/56-D5025 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WF1814/23-017 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W-F-1814/23 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FRN2-1/2 Consolidated Sewing Machine Corp (USA)
W-F-1814/56 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FRN2-1/2 General Electric Company Dba Ge (USA)
BMC FRN-R2-1/2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
0005-0817-D01 Gea Westfalia Separator, Inc. Div Gea Westfalia Separator, Inc. (USA)
TR2.5 Klockner-Moeller Corp (USA)
FRN-R2-1/2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
2640-00-052-0852INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
5920-00-501-3965INTERCHANGEABLE
FUSE,CARTRIDGE
FGN2 1-2
5920-01-172-6358INTERCHANGEABLE
FUSE,CARTRIDGE
FRN-R25
5920-01-396-2563INTERCHANGEABLE
FUSE,CARTRIDGE
FRN-R-2 1/2
4910-01-424-8934INTERCHANGEABLE
LIFT,MOTOR VEHICLE
2610-01-497-0182INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
TR-86

Frequently Asked Questions

What is NSN 5920-01-259-3081?

NSN 5920-01-259-3081 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-01-259-3081?

NSN 5920-01-259-3081 has 12 cross-referenced part numbers: TR2.5-R (Mersen Usa Ep Corp. Dba Ferraz Shawmut), 3006N11P010 (General Electric Company Dba Ge), WF1814/56-D5025 (Federal Specifications Promulgated by General Services Administration Washington DC), WF1814/23-017 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), W-F-1814/23 (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5920-01-259-3081?

There are 6 known substitutes for 5920-01-259-3081: 2640-00-052-0852, 5920-00-501-3965, 5920-01-172-6358 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TR2.5-R?

Key specifications for TR2.5-R: Body Style: REJECTION GROOVE TYPE; Overall Length: 2.000 INCHES NOMINAL IN; Circuit Over-Current Interruption Delay Time in Seconds: 10.0 500 PCT OF CURRENT RATING; Specification/standard Data: 81348-W-F-1814/56 GOVERNMENT SPECIFICATION. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-259-3081 still in active supply?

NSN 5920-01-259-3081 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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