PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

426937Bolt,machine

General Motors Llc Dba General Motors Llc · NSN 5306-00-042-6937 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-042-6937 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-042-6937. Primary manufacturer part number: 426937.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Head Style: SQUARE
  • Fastener Length: 3.000 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Grip Length: 1.750 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-042-6937, 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 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-042-6937
Primary Part Number426937
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Head StyleSQUARE
Fastener Length3.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Grip Length1.750 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Material Document and ClassificationSAE-J429 GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class2A A
Thread Quantity Per Inch13
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL OVERALL
Hardness Rating95.0 ROCKWELL B MAXIMUM OVERALL
Thread Length1.250 INCHES MINIMUM IN
Head Height0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-010-2484 (102484)
HAZMATNo
Verified Substitutes 12
5306-00-010-2484102484 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
5306-00-010-9177109177 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-019-0882190882 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
5306-00-042-6921426921 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
FF-B-575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-575 TY1 General Services Administration Federal Supply Service (USA)
ASME-B18.2.1 The American Society of Mechanical Engineers (USA)
MS35355-129 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
426937 PRIMARY General Motors Llc Dba General Motors Llc (USA)
B18.2.1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
426937 General Motors Corp (USA)
1-2 13X3IN Gage Co the (USA)
Related Parts
SUCCESSOR 5306-00-010-2484 Bolt,machine · 102484
5306-00-010-2495SUCCESSOR
BOLT,MACHINE
5306-00-010-9177SUCCESSOR
BOLT,MACHINE
109177
5306-00-010-9191SUCCESSOR
BOLT,MACHINE
5306-00-013-1286SUCCESSOR
BOLT,MACHINE
5306-00-018-7532SUCCESSOR
BOLT,MACHINE
5306-00-019-0882SUCCESSOR
BOLT,MACHINE
190882
5306-00-021-7840SUCCESSOR
BOLT,MACHINE
5306-00-021-8057SUCCESSOR
BOLT,MACHINE
5306-00-042-6921SUCCESSOR
BOLT,MACHINE
426921
5306-00-042-6924SUCCESSOR
BOLT,MACHINE
5306-00-042-6926SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-042-6937?

NSN 5306-00-042-6937 is a Bolt,machine, 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 5306-00-042-6937?

NSN 5306-00-042-6937 has 8 cross-referenced part numbers: FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-B-575 TY1 (General Services Administration Federal Supply Service), ASME-B18.2.1 (The American Society of Mechanical Engineers), MS35355-129 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 426937 (General Motors Llc Dba General Motors Llc) and 3 more.

What NSN replaces 5306-00-042-6937?

There are 12 known substitutes for 5306-00-042-6937: 5306-00-010-2484, 5306-00-010-2495, 5306-00-010-9177 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 426937?

Key specifications for 426937: Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Head Style: SQUARE; Fastener Length: 3.000 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-042-6937 still in active supply?

NSN 5306-00-042-6937 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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