PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400934Screw,machine

Telemechanics Inc · NSN 5305-01-042-9958 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-042-9958 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-042-9958. Primary manufacturer part number: 400934.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: OXIDE
  • Thread Class: 2A A
  • Screw Material: STEEL
  • Thread Quantity Per Inch: 40
  • Thread Series Designator: UNF
  • Thread Length: 0.844 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.138 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-042-9958, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-042-9958
Primary Part Number400934
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Screw Surface TreatmentOXIDE
Thread Class2A A
Screw MaterialSTEEL
Thread Quantity Per Inch40
Thread Series DesignatorUNF
Thread Length0.844 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Width Between Flats0.250 INCHES NOMINAL IN
Head StyleHEXAGON
Fastener Length0.891 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head Height0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-532-7243A226284 INTERCHANGEABLE
Parts Kit,universal Joint
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
400934 American Telephone and Telegraph Co (USA)
400934 PRIMARY Telemechanics Inc (USA)
Related Parts
2520-00-532-7243INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
A226284

Frequently Asked Questions

What is NSN 5305-01-042-9958?

NSN 5305-01-042-9958 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-042-9958?

NSN 5305-01-042-9958 has 2 cross-referenced part numbers: 400934 (American Telephone and Telegraph Co), 400934 (Telemechanics Inc).

What NSN replaces 5305-01-042-9958?

There is 1 known substitute for 5305-01-042-9958: 2520-00-532-7243. Verify interchangeability with system specifications before substitution.

What are the specifications of 400934?

Key specifications for 400934: Screw Surface Treatment: OXIDE; Thread Class: 2A A; Screw Material: STEEL; Thread Quantity Per Inch: 40. 13 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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