PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

427923Bolt,machine

General Motors Corp · NSN 5306-00-042-7923 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-042-7923 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-042-7923. Primary manufacturer part number: 427923.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.5440 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Minimum Yield Strength: 69000 POUNDS PER SQUARE INCH LBS
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.234 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 3 TYPE AND 2 GRADE
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 5306-00-042-7923, 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 Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-042-7923
Primary Part Number427923
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Width Between Flats0.5440 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Minimum Yield Strength69000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Thread DirectionRIGHT-HAND
Head Height0.234 INCHES NOMINAL IN
Nondefinitive Spec/std Data3 TYPE AND 2 GRADE
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
MaterialSTEEL OVERALL
Thread Length0.750 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Features ProvidedUNFINISHED HEAD
Thread Quantity Per Inch16
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
9530-00-074-3028 INTERCHANGEABLE
Bar,metal
Cross-Reference Index
Part NumberManufacturer
427923 General Motors Corp (USA)
427923 Borgwarner Pds (anderson), L.l.c. (USA)
427923 General Motors Llc Dba General Motors Llc (USA)
427923 General Motors Corp Delco Remy Div (USA)
3-8X3-4 Minnpar, Llc Dba Minnpar (USA)
3-8X3-4 Barber-Greene Co (USA)
Related Parts
9530-00-074-3028INTERCHANGEABLE
BAR,METAL

Frequently Asked Questions

What is NSN 5306-00-042-7923?

NSN 5306-00-042-7923 is a Bolt,machine, manufactured by General Motors Corp, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-042-7923?

NSN 5306-00-042-7923 has 6 cross-referenced part numbers: 427923 (General Motors Corp), 427923 (Borgwarner Pds (anderson), L.l.c.), 427923 (General Motors Llc Dba General Motors Llc), 427923 (General Motors Corp Delco Remy Div), 3-8X3-4 (Minnpar, Llc Dba Minnpar) and 1 more.

What NSN replaces 5306-00-042-7923?

There is 1 known substitute for 5306-00-042-7923: 9530-00-074-3028. Verify interchangeability with system specifications before substitution.

What are the specifications of 427923?

Key specifications for 427923: Width Between Flats: 0.5440 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN; Minimum Yield Strength: 69000 POUNDS PER SQUARE INCH LBS; Thread Class: 2A A. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-042-7923 still in active supply?

NSN 5306-00-042-7923 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.
PartsTable Design LLC · partstable.com