PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

277003Fuse,special

Littelfuse, Inc. · NSN 5920-01-020-7324 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-020-7324 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-020-7324. Primary manufacturer part number: 277003.
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 5920-01-020-7324, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFuse,special
FSC / FSG5920 — No Item Name Available (FSG 59)
ManufacturersLitton Systems Inc. Div Navigation Systems Division (CAGE 13973); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481); Littelfuse, Inc. (CAGE 75915)
Technical Specifications
ParameterValue
NSN5920-01-020-7324
Primary Part Number277003
Item NameFuse,special
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-01-039-2476 INTERCHANGEABLE
Printed Wiring Board
6685-01-152-4156 INTERCHANGEABLE
Thermocouple,immersion
Cross-Reference Index
Part NumberManufacturer
860518-0009 Litton Systems Inc. Div Navigation Systems Division (USA)
860518-0009 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
277003 PRIMARY Littelfuse, Inc. (USA)
Related Parts
5998-01-039-2476INTERCHANGEABLE
PRINTED WIRING BOARD
6685-01-152-4156INTERCHANGEABLE
THERMOCOUPLE,IMMERSION

Frequently Asked Questions

What is NSN 5920-01-020-7324?

NSN 5920-01-020-7324 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 5920-01-020-7324?

NSN 5920-01-020-7324 has 3 cross-referenced part numbers: 860518-0009 (Litton Systems Inc. Div Navigation Systems Division), 860518-0009 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 277003 (Littelfuse, Inc.).

What NSN replaces 5920-01-020-7324?

There are 2 known substitutes for 5920-01-020-7324: 5998-01-039-2476, 6685-01-152-4156. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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