PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1401-20Fuse,cartridge

Littelfuse, Inc. · NSN 5920-00-131-9928 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-131-9928 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-131-9928. Primary manufacturer part number: 1401-20.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 20.000
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Terminal Diameter: 0.250 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 25.000 DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-131-9928, 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
NSN5920-00-131-9928
Primary Part Number1401-20
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Continuous Current Rating in Amps20.000
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Interruption Indicator MethodVISIBLE ELEMENT
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.250 INCHES NOMINAL IN
Terminal Diameter0.250 INCHES NOMINAL IN
Maximum Voltage Rating in Volts25.000 DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2815-00-082-0462140120 INTERCHANGEABLE
Pin,piston
Cummins Inc.
5330-00-527-7332150HD1 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5990-00-607-9477 INTERCHANGEABLE
Synchro,receiver
5999-01-387-0934 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5340-01-480-0576140120 INTERCHANGEABLE
Clamp,instrument Mounting
Enjet Aero Dayton Inc
5305-01-546-6459140-120 INTERCHANGEABLE
Screw,machine
Cnh Industrial America Llc Dba Cnh America
5340-01-548-9345 INTERCHANGEABLE
Plate,mounting
Cross-Reference Index
Part NumberManufacturer
1401-20 PRIMARY Littelfuse, Inc. (USA)
ACM20 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
2815-00-082-0462INTERCHANGEABLE
PIN,PISTON
140120
5330-00-527-7332INTERCHANGEABLE
SEAL,PLAIN ENCASED
150HD1
5990-00-607-9477INTERCHANGEABLE
SYNCHRO,RECEIVER
5999-01-387-0934INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5340-01-480-0576INTERCHANGEABLE
CLAMP,INSTRUMENT MOUNTING
140120
5305-01-546-6459INTERCHANGEABLE
SCREW,MACHINE
140-120
5340-01-548-9345INTERCHANGEABLE
PLATE,MOUNTING

Frequently Asked Questions

What is NSN 5920-00-131-9928?

NSN 5920-00-131-9928 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 5920-00-131-9928?

NSN 5920-00-131-9928 has 2 cross-referenced part numbers: 1401-20 (Littelfuse, Inc.), ACM20 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-00-131-9928?

There are 7 known substitutes for 5920-00-131-9928: 2815-00-082-0462, 5330-00-527-7332, 5990-00-607-9477 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1401-20?

Key specifications for 1401-20: Overall Length: 1.250 INCHES NOMINAL IN; Continuous Current Rating in Amps: 20.000; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Interruption Indicator Method: VISIBLE 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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