PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11588725Screw,cap,hexagon Head

General Motors Corp · NSN 5305-01-679-2172 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-679-2172 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-679-2172. Primary manufacturer part number: 11588725.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Pitch in Millimeters: 1.25
  • Extended Washer Diameter: 18.0 MILLIMETERS NOMINAL MM
  • Thread Length: 22.0 MILLIMETERS NOMINAL MM
  • Head Style: HEXAGON EXTENDED WASHER
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 35.0 MILLIMETERS NOMINAL MM
  • Head Height: 8.4 MILLIMETERS NOMINAL MM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 8.8 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-679-2172, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 11 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
NSN5305-01-679-2172
Primary Part Number11588725
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Thread Pitch in Millimeters1.25
Extended Washer Diameter18.0 MILLIMETERS NOMINAL MM
Thread Length22.0 MILLIMETERS NOMINAL MM
Head StyleHEXAGON EXTENDED WASHER
Thread DirectionRIGHT-HAND
Fastener Length35.0 MILLIMETERS NOMINAL MM
Head Height8.4 MILLIMETERS NOMINAL MM
Nominal Thread Diameter8.0 MILLIMETERS MM
Width Between Flats9.9 MILLIMETERS NOMINAL MM
Thread Series DesignatorM
MaterialSTEEL PROPERTY CLASS 8.8 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-919-726411588725 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
4393529 Oshkosh Defense Llc (USA)
11588725 PRIMARY General Motors Corp (USA)
Related Parts
5330-00-919-7264INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
11588725

Frequently Asked Questions

What is NSN 5305-01-679-2172?

NSN 5305-01-679-2172 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-679-2172?

NSN 5305-01-679-2172 has 2 cross-referenced part numbers: 4393529 (Oshkosh Defense Llc), 11588725 (General Motors Corp).

What NSN replaces 5305-01-679-2172?

There is 1 known substitute for 5305-01-679-2172: 5330-00-919-7264. Verify interchangeability with system specifications before substitution.

What are the specifications of 11588725?

Key specifications for 11588725: End Item Identification: 01-653-6516; Thread Pitch in Millimeters: 1.25; Extended Washer Diameter: 18.0 MILLIMETERS NOMINAL MM; Thread Length: 22.0 MILLIMETERS NOMINAL MM. 12 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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