PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251.010Fuse,special

Littelfuse, Inc. · NSN 5920-01-422-0149 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-422-0149 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-422-0149. Primary manufacturer part number: 251.010.
Features
  • Fuse,special — FSC 5920
  • 3 verified cross-references
  • Primary manufacturer: Littelfuse, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,special, cataloged under National Stock Number 5920-01-422-0149, 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.. This item has 3 commercial cross-references from 3 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
NSN5920-01-422-0149
Primary Part Number251.010
Item NameFuse,special
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-006-35282N3055 INTERCHANGEABLE
Resistor,fixed,film
Vishay
5920-00-236-8591251 010 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
2840-00-509-6037251010 INTERCHANGEABLE
Tube,overboard Oil
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5340-00-734-9687028110 INTERCHANGEABLE
Seat,helical Compression Spring
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5310-00-763-8920 INTERCHANGEABLE
Nut,plain,hexagon
5905-00-860-9661251010 INTERCHANGEABLE
Resistor Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5960-00-987-15092510-10 INTERCHANGEABLE
Retainer,electron Tube
Interplex Nascal Inc
5360-01-059-2437 INTERCHANGEABLE
Spring,helical,compression
5310-01-193-7509 INTERCHANGEABLE
Nut,self-Locking,hexagon
5975-01-223-8399251010 INTERCHANGEABLE
Conduit Assembly,nonmetallic,ele
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
Cross-Reference Index
Part NumberManufacturer
251.010 PRIMARY Littelfuse, Inc. (USA)
65-P14455A.013//Q Leonardo S.p.a. Security & Information System Division (ITA)
182881-006 Harris Corp Transcomm Div (USA)
Related Parts
5905-00-006-3528INTERCHANGEABLE
RESISTOR,FIXED,FILM
2N3055
5920-00-236-8591INTERCHANGEABLE
FUSE,CARTRIDGE
251 010
2840-00-509-6037INTERCHANGEABLE
TUBE,OVERBOARD OIL
251010
5340-00-734-9687INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
028110
5310-00-763-8920INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5905-00-860-9661INTERCHANGEABLE
RESISTOR ASSEMBLY
251010
5960-00-987-1509INTERCHANGEABLE
RETAINER,ELECTRON TUBE
2510-10
5360-01-059-2437INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5310-01-193-7509INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5975-01-223-8399INTERCHANGEABLE
CONDUIT ASSEMBLY,NONMETALLIC,ELE
251010
5910-01-441-6465INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5950-01-658-5482INTERCHANGEABLE
COIL,ELECTRICAL
251010-1

Frequently Asked Questions

What is NSN 5920-01-422-0149?

NSN 5920-01-422-0149 is a Fuse,special, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-422-0149?

NSN 5920-01-422-0149 has 3 cross-referenced part numbers: 251.010 (Littelfuse, Inc.), 65-P14455A.013//Q (Leonardo S.p.a. Security & Information System Division), 182881-006 (Harris Corp Transcomm Div).

What NSN replaces 5920-01-422-0149?

There are 12 known substitutes for 5920-01-422-0149: 5905-00-006-3528, 5920-00-236-8591, 2840-00-509-6037 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251.010?

Key specifications for 251.010: End Item Identification: VOICE SWITCHING AND CONTROL SYSTEM (VSCS). 1 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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