PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

145266Fuse,plug

Telemechanics Inc · NSN 5920-00-450-1978 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-450-1978 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-450-1978. Primary manufacturer part number: 145266.
Features
  • Fuse,plug — FSC 5920
  • 4 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,plug, cataloged under National Stock Number 5920-00-450-1978, 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 Telemechanics Inc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFuse,plug
FSC / FSG5920 — No Item Name Available (FSG 59)
ManufacturersAmerican Telephone and Telegraph Co (CAGE 64959); Lucent Technologies Inc Dba Federal Marketing Group (CAGE 06KW9); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0); Telemechanics Inc (CAGE 57712)
Technical Specifications
ParameterValue
NSN5920-00-450-1978
Primary Part Number145266
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-00-333-5948145266 INTERCHANGEABLE
Attenuator,variable
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
145266 American Telephone and Telegraph Co (USA)
145266 Lucent Technologies Inc Dba Federal Marketing Group (USA)
145266 Lucent Technologies Inc Corporate Headquarters (USA)
145266 PRIMARY Telemechanics Inc (USA)
Related Parts
5985-00-333-5948INTERCHANGEABLE
ATTENUATOR,VARIABLE
145266

Frequently Asked Questions

What is NSN 5920-00-450-1978?

NSN 5920-00-450-1978 is a Fuse,plug, manufactured by Telemechanics Inc, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-450-1978?

NSN 5920-00-450-1978 has 4 cross-referenced part numbers: 145266 (American Telephone and Telegraph Co), 145266 (Lucent Technologies Inc Dba Federal Marketing Group), 145266 (Lucent Technologies Inc Corporate Headquarters), 145266 (Telemechanics Inc).

What NSN replaces 5920-00-450-1978?

There is 1 known substitute for 5920-00-450-1978: 5985-00-333-5948. Verify interchangeability with system specifications before substitution.

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