PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231850Screw,cap,hexagon Head

Allied Systems Company Dba Allied Systems Co · NSN 5305-01-479-0137 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-479-0137 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-479-0137. Primary manufacturer part number: 231850.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Allied Systems Company Dba Allied Systems Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-479-0137, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-479-0137
Primary Part Number231850
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Nominal Thread Diameter0.500 INCHES IN
Fastener Length2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-567-3221 INTERCHANGEABLE
Stud
5961-00-712-3962 INTERCHANGEABLE
Semiconductor Device,diode
5365-01-018-0811231850 INTERCHANGEABLE
Shim
Dana Off Highway Products, Llc
6150-01-224-0550R-231850-001 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Eaton Corporation
8125-01-262-0199 INTERCHANGEABLE
Carboy
6515-01-678-0948231850 INTERCHANGEABLE
Needle,solution Transfer
Prc-Desoto International, Inc.
Cross-Reference Index
Part NumberManufacturer
231850 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
5305-00-567-3221INTERCHANGEABLE
STUD
5961-00-712-3962INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5365-01-018-0811INTERCHANGEABLE
SHIM
231850
6150-01-224-0550INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
R-231850-001
8125-01-262-0199INTERCHANGEABLE
CARBOY
6515-01-678-0948INTERCHANGEABLE
NEEDLE,SOLUTION TRANSFER
231850

Frequently Asked Questions

What is NSN 5305-01-479-0137?

NSN 5305-01-479-0137 is a Screw,cap,hexagon Head, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-479-0137?

NSN 5305-01-479-0137 has 1 cross-referenced part number: 231850 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 5305-01-479-0137?

There are 6 known substitutes for 5305-01-479-0137: 5305-00-567-3221, 5961-00-712-3962, 5365-01-018-0811 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 231850?

Key specifications for 231850: Nominal Thread Diameter: 0.500 INCHES IN; Fastener Length: 2.500 INCHES NOMINAL IN. 2 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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