PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125179Screw,machine

Telemechanics Inc · NSN 5305-00-531-0057 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-531-0057 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-531-0057. Primary manufacturer part number: 125179.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 3A A
  • Screw Surface Treatment: NICKEL
  • Screw Material: STEEL
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Internal Drive Style: SLOT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-531-0057, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-531-0057
Primary Part Number125179
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class3A A
Screw Surface TreatmentNICKEL
Screw MaterialSTEEL
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleSLOT
Fastener Length0.187 INCHES NOMINAL IN
Thread Length0.187 INCHES MINIMUM IN
Thread Quantity Per Inch32
Head StyleROUND
Head Height0.094 INCHES NOMINAL IN
Head Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2920-00-072-6785 INTERCHANGEABLE
Starter,engine,electrical
3110-00-100-35719-274-100016 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Grove U.s. Llc Dba Grove Us Llc
5930-00-222-79303-3225 INTERCHANGEABLE
Switch,thermostatic
Maytag Corporation Dba Maytag Appliancessales
5305-00-984-4982MS35206-225 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4330-01-371-819733225 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
33-225 At and T Corp (USA)
125179 PRIMARY Telemechanics Inc (USA)
125179 At and T Corp (USA)
33-225 Telemechanics Inc (USA)
Related Parts
2920-00-072-6785INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
3110-00-100-3571INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
9-274-100016
5930-00-222-7930INTERCHANGEABLE
SWITCH,THERMOSTATIC
3-3225
5305-00-984-4982INTERCHANGEABLE
SCREW,MACHINE
MS35206-225
4330-01-371-8197INTERCHANGEABLE
FILTER ELEMENT,FLUID
33225

Frequently Asked Questions

What is NSN 5305-00-531-0057?

NSN 5305-00-531-0057 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-531-0057?

NSN 5305-00-531-0057 has 4 cross-referenced part numbers: 33-225 (At and T Corp), 125179 (Telemechanics Inc), 125179 (At and T Corp), 33-225 (Telemechanics Inc).

What NSN replaces 5305-00-531-0057?

There are 5 known substitutes for 5305-00-531-0057: 2920-00-072-6785, 3110-00-100-3571, 5930-00-222-7930 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125179?

Key specifications for 125179: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 3A A; Screw Surface Treatment: NICKEL; Screw Material: STEEL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-531-0057 still in active supply?

NSN 5305-00-531-0057 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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