PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251 010Fuse,cartridge

Littelfuse, Inc. · NSN 5920-00-236-8591 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-236-8591 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-236-8591. Primary manufacturer part number: 251 010.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: SOLDER TERMINAL
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Interruption Indicator Method: OPAQUE BODY
  • Terminal Length: 1.500 INCHES NOMINAL IN
  • Overall Diameter: 0.093 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Continuous Current Rating in Amps: 10.000
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-236-8591, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-236-8591
Primary Part Number251 010
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Surface TreatmentSOLDER TERMINAL
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Interruption Indicator MethodOPAQUE BODY
Terminal Length1.500 INCHES NOMINAL IN
Overall Diameter0.093 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps10.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Diameter0.025 INCHES NOMINAL IN
Body StyleTANGENT LEADS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-006-35282N3055 INTERCHANGEABLE
Resistor,fixed,film
Vishay
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
5920-01-422-0149251.010 INTERCHANGEABLE
Fuse,special
Littelfuse, Inc.
Cross-Reference Index
Part NumberManufacturer
2489900420380 Cmc Electronics Inc (CAN)
10135246 Nimikkeistokeskus Ncb Finland (FIN)
251 010 PRIMARY Littelfuse, Inc. (USA)
57-869-110 Tlt-Babcock, Inc. (USA)
FFM10-000 Veeco Instruments Inc Lambda Div (USA)
FF06803 Simoco Europe Ltd (GBR)
276010 PRIMARY Littelfuse, Inc. (USA)
Related Parts
5905-00-006-3528INTERCHANGEABLE
RESISTOR,FIXED,FILM
2N3055
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
5920-01-422-0149INTERCHANGEABLE
FUSE,SPECIAL
251.010
5910-01-441-6465INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5950-01-658-5482INTERCHANGEABLE
COIL,ELECTRICAL
251010-1

Frequently Asked Questions

What is NSN 5920-00-236-8591?

NSN 5920-00-236-8591 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-236-8591?

NSN 5920-00-236-8591 has 7 cross-referenced part numbers: 2489900420380 (Cmc Electronics Inc), 10135246 (Nimikkeistokeskus Ncb Finland), 251 010 (Littelfuse, Inc.), 57-869-110 (Tlt-Babcock, Inc.), FFM10-000 (Veeco Instruments Inc Lambda Div) and 2 more.

What NSN replaces 5920-00-236-8591?

There are 12 known substitutes for 5920-00-236-8591: 5905-00-006-3528, 2840-00-509-6037, 5340-00-734-9687 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251 010?

Key specifications for 251 010: Surface Treatment: SOLDER TERMINAL; Overall Length: 0.281 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC; Interruption Indicator Method: OPAQUE BODY. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-236-8591 still in active supply?

NSN 5920-00-236-8591 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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