PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

313012Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-322-7549 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-322-7549 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-322-7549. Primary manufacturer part number: 313012.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 12.000
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Material: GLASS CASE
  • Body Style: TUBE TYPE
  • 2 verified cross-references
  • Primary manufacturer: Littelfuse, Inc.
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-322-7549, 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 4 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-322-7549
Primary Part Number313012
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Continuous Current Rating in Amps12.000
Circuit Over-Current Interruption TypeTIME DELAY
MaterialGLASS CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5920-00-199-9498 INTERCHANGEABLE
Fuse,cartridge
5920-00-280-9320 INTERCHANGEABLE
Fuse,cartridge
4320-00-394-7946P4-1050-1131-002 INTERCHANGEABLE
Pump,fuel Oil Compl
Viking Pump, Inc
5920-00-936-165031301-2 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
1630-01-009-94125000260 INTERCHANGEABLE
Lining,friction
Meggitt Aircraft Braking Systems Corporation
5920-01-147-4903 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
313012 PRIMARY Littelfuse, Inc. (USA)
MDL-12 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-199-9498INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-280-9320INTERCHANGEABLE
FUSE,CARTRIDGE
4320-00-394-7946INTERCHANGEABLE
PUMP,FUEL OIL COMPL
P4-1050-1131-002
5920-00-936-1650INTERCHANGEABLE
FUSE,CARTRIDGE
31301-2
1630-01-009-9412INTERCHANGEABLE
LINING,FRICTION
5000260
5920-01-147-4903INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-01-322-7549?

NSN 5920-01-322-7549 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 5920-01-322-7549?

NSN 5920-01-322-7549 has 2 cross-referenced part numbers: 313012 (Littelfuse, Inc.), MDL-12 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-01-322-7549?

There are 6 known substitutes for 5920-01-322-7549: 5920-00-199-9498, 5920-00-280-9320, 4320-00-394-7946 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 313012?

Key specifications for 313012: Continuous Current Rating in Amps: 12.000; Circuit Over-Current Interruption Type: TIME DELAY; Material: GLASS CASE; Overall Length: 1.250 INCHES NOMINAL IN. 5 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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