PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

344125AFuseholder,extractor Post

Littelfuse, Inc. · NSN 5920-00-074-4609 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-074-4609 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-074-4609. Primary manufacturer part number: 344125A.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Interruption Indicator Method: NEON LAMP
  • Accommodated Fuse Length: 1.562 INCHES NOMINAL IN
  • Accommodated Ferrule Diameter: 0.375 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 1
  • Fuse Terminal Type Accommodated: FERRULE
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Material: COPPER ALLOY CONTACT
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-074-4609, 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 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-074-4609
Primary Part Number344125A
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Interruption Indicator MethodNEON LAMP
Accommodated Fuse Length1.562 INCHES NOMINAL IN
Accommodated Ferrule Diameter0.375 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Fuse Terminal Type AccommodatedFERRULE
Terminal Type and Quantity2 TAB, SOLDER LUG
MaterialCOPPER ALLOY CONTACT
Overall Diameter0.937 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-881-6584 INTERCHANGEABLE
Fuseholder,extractor Post
5920-01-364-9527344125A INTERCHANGEABLE
Fuse,cartridge
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
900999-4130 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
344125A PRIMARY Littelfuse, Inc. (USA)
Related Parts
5920-00-881-6584INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-01-364-9527INTERCHANGEABLE
FUSE,CARTRIDGE
344125A

Frequently Asked Questions

What is NSN 5920-00-074-4609?

NSN 5920-00-074-4609 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-074-4609?

NSN 5920-00-074-4609 has 2 cross-referenced part numbers: 900999-4130 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 344125A (Littelfuse, Inc.).

What NSN replaces 5920-00-074-4609?

There are 2 known substitutes for 5920-00-074-4609: 5920-00-881-6584, 5920-01-364-9527. Verify interchangeability with system specifications before substitution.

What are the specifications of 344125A?

Key specifications for 344125A: Interruption Indicator Method: NEON LAMP; Accommodated Fuse Length: 1.562 INCHES NOMINAL IN; Accommodated Ferrule Diameter: 0.375 INCHES NOMINAL IN; Fuse Accommodation Quantity: 1. 9 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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