PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401143Screw,shoulder

Telemechanics Inc · NSN 5305-01-032-3166 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-032-3166 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-032-3166. Primary manufacturer part number: 401143.
Features
  • Screw,shoulder — FSC 5305
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Series Designator: UNF
  • Material: STEEL OVERALL
  • Shoulder Diameter: 0.188 INCHES NOMINAL FIRST SHOULDER IN
  • Thread Quantity Per Inch: 40
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-032-3166, 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 15 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
NSN5305-01-032-3166
Primary Part Number401143
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Internal Drive StyleSLOT
Nominal Thread Diameter0.138 INCHES IN
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Shoulder Diameter0.188 INCHES NOMINAL FIRST SHOULDER IN
Thread Quantity Per Inch40
Thread DirectionRIGHT-HAND
Fastener Length0.375 INCHES NOMINAL IN
Thread Length0.125 INCHES NOMINAL IN
Head Height0.188 INCHES NOMINAL IN
Thread Class2A A
Head StyleFLAT CHAMFER
Head Diameter0.312 INCHES NOMINAL IN
Shoulder Length0.156 INCHES NOMINAL FIRST SHOULDER IN
Shoulder ShapeROUND FIRST SHOULDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6105-01-087-9031401143 INTERCHANGEABLE
Motor,alternating Current
Dictaphone Corporation
Cross-Reference Index
Part NumberManufacturer
401143 American Telephone and Telegraph Co (USA)
401143 PRIMARY Telemechanics Inc (USA)
Related Parts
6105-01-087-9031INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
401143

Frequently Asked Questions

What is NSN 5305-01-032-3166?

NSN 5305-01-032-3166 is a Screw,shoulder, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-032-3166?

NSN 5305-01-032-3166 has 2 cross-referenced part numbers: 401143 (American Telephone and Telegraph Co), 401143 (Telemechanics Inc).

What NSN replaces 5305-01-032-3166?

There is 1 known substitute for 5305-01-032-3166: 6105-01-087-9031. Verify interchangeability with system specifications before substitution.

What are the specifications of 401143?

Key specifications for 401143: Internal Drive Style: SLOT; Nominal Thread Diameter: 0.138 INCHES IN; Thread Series Designator: UNF; Material: STEEL OVERALL. 15 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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