PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B6812Bolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-141-4716 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-141-4716 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-141-4716. Primary manufacturer part number: B6812.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 1.141 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Thread Class: 3A A
  • Distance From Head Largest Bearing Surface to Shank Hole Center: 0.922 INCHES NOMINAL FIRST HOLE IN
  • Hole Diameter: 0.070 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM FIRST HOLE IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-141-4716, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-141-4716
Primary Part NumberB6812
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Fastener Length1.141 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Thread Class3A A
Distance From Head Largest Bearing Surface to Shank Hole Center0.922 INCHES NOMINAL FIRST HOLE IN
Hole Diameter0.070 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Shank Unthreaded Hole Diameter0.141 INCHES MINIMUM FIRST HOLE IN
Surface TreatmentCADMIUM OVERALL
Head StyleHEXAGON
Thread Series DesignatorUNF
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Features ProvidedFINISHED HEAD
Head Height0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
MaterialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Hole Configuration StyleHEXAGON FLATS
Hole TypeDRILLED
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch18
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Hole Quantity1
Grip Length0.188 INCHES NOMINAL IN
Width Between Flats0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length0.953 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,machine
5306-00-206-9577AN6H25 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,close Tolerance
Bolt,close Tolerance
Cross-Reference Index
Part NumberManufacturer
B6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN10H10 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5306-00-141-4507SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-1062SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-1063SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-3196SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-156-2457SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-167-3925SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-182-1815SUCCESSOR
BOLT,MACHINE
5306-00-206-9577SUCCESSOR
BOLT,MACHINE
AN6H25
5306-00-275-9525SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-582-5753SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-630-2118SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-638-9221SUCCESSOR
BOLT,CLOSE TOLERANCE

Frequently Asked Questions

What is NSN 5306-00-141-4716?

NSN 5306-00-141-4716 is a Bolt,machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-141-4716?

NSN 5306-00-141-4716 has 2 cross-referenced part numbers: B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN10H10 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-141-4716?

There are 12 known substitutes for 5306-00-141-4716: 5306-00-141-4507, 5306-00-151-1062, 5306-00-151-1063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B6812?

Key specifications for B6812: Fastener Length: 1.141 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Class: 3A A; Distance From Head Largest Bearing Surface to Shank Hole Center: 0.922 INCHES NOMINAL FIRST HOLE IN. 24 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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