PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2171.25Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-561-6287 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-561-6287 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-561-6287. Primary manufacturer part number: 2171.25.
Features
  • Fuse,cartridge — FSC 5920
  • Overall Diameter: 5.0 MILLIMETERS NOMINAL MM
  • Continuous Current Rating in Amps: 1.250
  • Maximum Voltage Rating in Volts: 250.0 AC
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Body Style: TUBE TYPE
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-561-6287, 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 Littelfuse, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-561-6287
Primary Part Number2171.25
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Overall Diameter5.0 MILLIMETERS NOMINAL MM
Continuous Current Rating in Amps1.250
Maximum Voltage Rating in Volts250.0 AC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Body StyleTUBE TYPE
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1420-00-831-0521217125 INTERCHANGEABLE
Power Plant,guided
Raytheon Company Dba Raytheon
6640-01-026-127414197-00 INTERCHANGEABLE
Pipet,dropping
Hach Company Dba Hach Co
3040-01-185-0710217125 INTERCHANGEABLE
Shaft,shouldered
Eaton Corp Dba Eaton Aerospace Jackson
6640-01-345-836114197-05 INTERCHANGEABLE
Pipet,measuring
Hach Company Dba Hach Co
5920-01-406-28530217.125 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5340-01-483-517347-150 INTERCHANGEABLE
Clamp,loop
Dynaflex Products
4730-01-562-676186509027 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
1419705 Asc Pty Ltd (AUS)
2171.25 PRIMARY Littelfuse, Inc. (USA)
Related Parts
1420-00-831-0521INTERCHANGEABLE
POWER PLANT,GUIDED
217125
6640-01-026-1274INTERCHANGEABLE
PIPET,DROPPING
14197-00
3040-01-185-0710INTERCHANGEABLE
SHAFT,SHOULDERED
217125
6640-01-345-8361INTERCHANGEABLE
PIPET,MEASURING
14197-05
5920-01-406-2853INTERCHANGEABLE
FUSE,CARTRIDGE
0217.125
5340-01-483-5173INTERCHANGEABLE
CLAMP,LOOP
47-150
4730-01-562-6761INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
86509027

Frequently Asked Questions

What is NSN 5920-01-561-6287?

NSN 5920-01-561-6287 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-561-6287?

NSN 5920-01-561-6287 has 2 cross-referenced part numbers: 1419705 (Asc Pty Ltd), 2171.25 (Littelfuse, Inc.).

What NSN replaces 5920-01-561-6287?

There are 7 known substitutes for 5920-01-561-6287: 1420-00-831-0521, 6640-01-026-1274, 3040-01-185-0710 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2171.25?

Key specifications for 2171.25: Overall Diameter: 5.0 MILLIMETERS NOMINAL MM; Continuous Current Rating in Amps: 1.250; Maximum Voltage Rating in Volts: 250.0 AC; Features Provided: NONRENEWABLE FUSIBLE ELEMENT. 8 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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