PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TW-1Screw,shoulder

Carr Lane Manufacturing Co · NSN 5305-01-238-7732 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-238-7732 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-238-7732. Primary manufacturer part number: TW-1.
Features
  • Screw,shoulder — FSC 5305
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
  • Shoulder Diameter: 0.188 INCHES NOMINAL FIRST SHOULDER IN
  • Material: STEEL OVERALL
  • Head Style: FLAT CHAMFER
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5305-01-238-7732, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carr Lane Manufacturing Co. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-238-7732
Primary Part NumberTW-1
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCarr Lane Manufacturing Co
StatusACTIVE
Thread Class2A A
Thread DirectionRIGHT-HAND
Shoulder Diameter0.188 INCHES NOMINAL FIRST SHOULDER IN
MaterialSTEEL OVERALL
Head StyleFLAT CHAMFER
Nominal Thread Diameter0.164 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleSLOT
Thread Quantity Per Inch32
Shoulder ShapeROUND FIRST SHOULDER
Thread Length0.250 INCHES NOMINAL IN
Shoulder Length0.094 INCHES NOMINAL FIRST SHOULDER IN
Head Diameter0.312 INCHES NOMINAL IN
Fastener Length0.344 INCHES NOMINAL IN
Head Height0.100 INCHES NOMINAL IN
Surface TreatmentOXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5130-00-176-3991TW-1 INTERCHANGEABLE
Stripper,wire,thermal
Teledyne Instruments, Inc. Dba Teledyne
6135-00-825-6692ANSI C18.1M INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
2330-00-835-8560T6 INTERCHANGEABLE
Trailer,cargo
Dorsey Trailers Inc
3020-01-193-433513226E1798 INTERCHANGEABLE
Pulley,timing Belt
Cecom Lr Center
5905-01-385-2136113472 INTERCHANGEABLE
Resistor,fixed,film
Datron World Communications, Inc.
Cross-Reference Index
Part NumberManufacturer
113472 Varo Llc (USA)
TW-1 PRIMARY Carr Lane Manufacturing Co (USA)
Related Parts
5130-00-176-3991INTERCHANGEABLE
STRIPPER,WIRE,THERMAL
TW-1
6135-00-825-6692INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
ANSI C18.1M
2330-00-835-8560INTERCHANGEABLE
TRAILER,CARGO
T6
3020-01-193-4335INTERCHANGEABLE
PULLEY,TIMING BELT
13226E1798
5905-01-385-2136INTERCHANGEABLE
RESISTOR,FIXED,FILM
113472

Frequently Asked Questions

What is NSN 5305-01-238-7732?

NSN 5305-01-238-7732 is a Screw,shoulder, manufactured by Carr Lane Manufacturing Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-238-7732?

NSN 5305-01-238-7732 has 2 cross-referenced part numbers: 113472 (Varo Llc), TW-1 (Carr Lane Manufacturing Co).

What NSN replaces 5305-01-238-7732?

There are 5 known substitutes for 5305-01-238-7732: 5130-00-176-3991, 6135-00-825-6692, 2330-00-835-8560 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TW-1?

Key specifications for TW-1: Thread Class: 2A A; Thread Direction: RIGHT-HAND; Shoulder Diameter: 0.188 INCHES NOMINAL FIRST SHOULDER IN; Material: STEEL OVERALL. 16 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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