PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-6812Bolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-151-2513 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-2513 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-2513. Primary manufacturer part number: MIL-B-6812.
Features
  • Bolt,machine — FSC 5306
  • Hole Type: DRILLED
  • Material: STEEL OVERALL
  • Hole Quantity: 6
  • Width Between Flats: 0.750 INCHES NOMINAL IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM 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 5306-00-151-2513, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5306-00-151-2513
Primary Part NumberMIL-B-6812
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
Hole TypeDRILLED
MaterialSTEEL OVERALL
Hole Quantity6
Width Between Flats0.750 INCHES NOMINAL IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedFINISHED HEAD
Surface TreatmentCADMIUM AND DICHROMATE OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Class3A A
Fastener Length4.797 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Thread Length0.797 INCHES MINIMUM IN
Head Height0.375 INCHES NOMINAL IN
Thread Quantity Per Inch20
Grip Length4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,machine
Bolt,machine
Bolt,close Tolerance
Bolt,close Tolerance
5306-00-150-9233AN5-40A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,clevis
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-B-6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5306-00-063-3268SUCCESSOR
BOLT,MACHINE
5306-00-144-3646SUCCESSOR
BOLT,MACHINE
5306-00-144-4058SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-150-9097SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-150-9233SUCCESSOR
BOLT,MACHINE
AN5-40A
5306-00-150-9866SUCCESSOR
BOLT,MACHINE
5306-00-150-9867SUCCESSOR
BOLT,MACHINE
5306-00-150-9868SUCCESSOR
BOLT,MACHINE
5306-00-151-0656SUCCESSOR
BOLT,CLEVIS
5306-00-151-1084SUCCESSOR
BOLT,MACHINE
5306-00-151-2603SUCCESSOR
BOLT,MACHINE
5306-00-151-2626SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-151-2513?

NSN 5306-00-151-2513 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 5306-00-151-2513?

NSN 5306-00-151-2513 has 1 cross-referenced part number: MIL-B-6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-151-2513?

There are 12 known substitutes for 5306-00-151-2513: 5306-00-063-3268, 5306-00-144-3646, 5306-00-144-4058 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-6812?

Key specifications for MIL-B-6812: Hole Type: DRILLED; Material: STEEL OVERALL; Hole Quantity: 6; Width Between Flats: 0.750 INCHES NOMINAL IN. 18 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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