PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

144-38Screw,cap,hexagon Head

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 5305-01-564-5812 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-564-5812 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-564-5812. Primary manufacturer part number: 144-38.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL COMP 304 OVERALL
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 18
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-564-5812, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5305-01-564-5812
Primary Part Number144-38
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.312 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL COMP 304 OVERALL
Fastener Length1.500 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5365-00-182-486214-438 INTERCHANGEABLE
Spacer,sleeve
Hamilton Sundstrand Corporation
5950-00-490-865714438 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
4820-00-495-913414438 INTERCHANGEABLE
Stem,fluid Valve
Mine Safety Appliances Company
5331-00-599-281814438 INTERCHANGEABLE
O-Ring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5220-01-360-89271443-8 INTERCHANGEABLE
Gage,plug,thread
Stanley Engineered Fastening Llc
Cross-Reference Index
Part NumberManufacturer
40402-4 FIND NO.6 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
144-38 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5365-00-182-4862INTERCHANGEABLE
SPACER,SLEEVE
14-438
5950-00-490-8657INTERCHANGEABLE
REACTOR
14438
4820-00-495-9134INTERCHANGEABLE
STEM,FLUID VALVE
14438
5331-00-599-2818INTERCHANGEABLE
O-RING
14438
5220-01-360-8927INTERCHANGEABLE
GAGE,PLUG,THREAD
1443-8

Frequently Asked Questions

What is NSN 5305-01-564-5812?

NSN 5305-01-564-5812 is a Screw,cap,hexagon Head, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-564-5812?

NSN 5305-01-564-5812 has 2 cross-referenced part numbers: 40402-4 FIND NO.6 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 144-38 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 5305-01-564-5812?

There are 5 known substitutes for 5305-01-564-5812: 5365-00-182-4862, 5950-00-490-8657, 4820-00-495-9134 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 144-38?

Key specifications for 144-38: Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.312 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL COMP 304 OVERALL. 8 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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