PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334358Screw,machine

Telemechanics Inc · NSN 5305-00-140-2108 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-140-2108 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-140-2108. Primary manufacturer part number: 334358.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: CADMIUM
  • Fastener Length: 0.281 INCHES NOMINAL IN
  • Thread Length: 0.281 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 40
  • Head Height: 0.050 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-140-2108, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-140-2108
Primary Part Number334358
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Screw Surface TreatmentCADMIUM
Fastener Length0.281 INCHES NOMINAL IN
Thread Length0.281 INCHES NOMINAL IN
Thread Quantity Per Inch40
Head Height0.050 INCHES NOMINAL IN
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialSTEEL
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Nominal Thread Diameter0.112 INCHES IN
Width Between Flats0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5210-00-223-9601334358 INTERCHANGEABLE
Level,bench
Lockheed Martin Corporation Div Rms - Mitchel Field
5120-01-633-0031334358 INTERCHANGEABLE
Adapter,mechanical Puller
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
334358 PRIMARY Telemechanics Inc (USA)
334358 American Telephone and Telegraph Co (USA)
Related Parts
5210-00-223-9601INTERCHANGEABLE
LEVEL,BENCH
334358
5120-01-633-0031INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
334358

Frequently Asked Questions

What is NSN 5305-00-140-2108?

NSN 5305-00-140-2108 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 5305-00-140-2108?

NSN 5305-00-140-2108 has 2 cross-referenced part numbers: 334358 (Telemechanics Inc), 334358 (American Telephone and Telegraph Co).

What NSN replaces 5305-00-140-2108?

There are 2 known substitutes for 5305-00-140-2108: 5210-00-223-9601, 5120-01-633-0031. Verify interchangeability with system specifications before substitution.

What are the specifications of 334358?

Key specifications for 334358: Screw Surface Treatment: CADMIUM; Fastener Length: 0.281 INCHES NOMINAL IN; Thread Length: 0.281 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 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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