PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

425381Bolt,assembled Washer

General Motors Llc Dba General Motors Llc · NSN 5306-00-042-5381 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-042-5381 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-042-5381. Primary manufacturer part number: 425381.
Features
  • Bolt,assembled Washer — FSC 5306
  • Thread Length: 0.619 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
  • Primary Washer Material Thickness: 0.025 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 3,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1020 Overall construction
General Description

The Bolt,assembled Washer, cataloged under National Stock Number 5306-00-042-5381, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-042-5381
Primary Part Number425381
Item NameBolt,assembled Washer
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Thread Length0.619 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
Primary Washer Material Thickness0.025 INCHES NOMINAL IN
Thread Quantity Per Inch20
Nominal Thread Diameter0.250 INCHES IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 3,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Fastener Length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head Height0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Width Between Flats0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread Class2A A
Primary Washer Outside Diameter0.466 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
Washer Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
No Item Name Available
2590-01-669-512542538-1 INTERCHANGEABLE
Cover,access
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Cross-Reference Index
Part NumberManufacturer
425381 General Motors Llc Dba General Motors Llc (USA)
425381 General Motors Corp (USA)
Related Parts
5306-01-215-5173SUCCESSOR
NO ITEM NAME AVAILABLE
2590-01-669-5125INTERCHANGEABLE
COVER,ACCESS
42538-1

Frequently Asked Questions

What is NSN 5306-00-042-5381?

NSN 5306-00-042-5381 is a Bolt,assembled Washer, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-042-5381?

NSN 5306-00-042-5381 has 2 cross-referenced part numbers: 425381 (General Motors Llc Dba General Motors Llc), 425381 (General Motors Corp).

What NSN replaces 5306-00-042-5381?

There are 2 known substitutes for 5306-00-042-5381: 5306-01-215-5173, 2590-01-669-5125. Verify interchangeability with system specifications before substitution.

What are the specifications of 425381?

Key specifications for 425381: Thread Length: 0.619 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN; Primary Washer Material Thickness: 0.025 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Nominal Thread Diameter: 0.250 INCHES IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-042-5381 still in active supply?

NSN 5306-00-042-5381 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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