PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

405957Cover,semiconductor Device

Telemechanics Inc · NSN 5961-01-258-9074 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-258-9074 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-258-9074. Primary manufacturer part number: 405957.
Features
  • Cover,semiconductor Device — FSC 5961
  • 2 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,semiconductor Device, cataloged under National Stock Number 5961-01-258-9074, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Telemechanics Inc. 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 government interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover,semiconductor Device
FSC / FSG5961 — No Item Name Available (FSG 59)
ManufacturersAmerican Telephone and Telegraph Co (CAGE 64959); Telemechanics Inc (CAGE 57712)
Technical Specifications
ParameterValue
NSN5961-01-258-9074
Primary Part Number405957
Item NameCover,semiconductor Device
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 2
5360-00-849-2336 INTERCHANGEABLE
Spring,helical,compression
5962-01-058-4867 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
405957 American Telephone and Telegraph Co (USA)
405957 PRIMARY Telemechanics Inc (USA)
Related Parts
5360-00-849-2336INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5962-01-058-4867INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5961-01-258-9074?

NSN 5961-01-258-9074 is a Cover,semiconductor Device, manufactured by Telemechanics Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-258-9074?

NSN 5961-01-258-9074 has 2 cross-referenced part numbers: 405957 (American Telephone and Telegraph Co), 405957 (Telemechanics Inc).

What NSN replaces 5961-01-258-9074?

There are 2 known substitutes for 5961-01-258-9074: 5360-00-849-2336, 5962-01-058-4867. Verify interchangeability with system specifications before substitution.

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