PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB6812Bolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-151-1084 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-1084 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-1084. Primary manufacturer part number: MILB6812.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Head Height: 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
  • Hole Type: DRILLED
  • Hole Diameter: 0.070 INCHES NOMINAL IN
  • Width Between Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
  • Thread Class: 3A A
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 5306-00-151-1084, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 22 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-151-1084
Primary Part NumberMILB6812
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread DirectionRIGHT-HAND
Fastener Length0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Head Height0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
Hole TypeDRILLED
Hole Diameter0.070 INCHES NOMINAL IN
Width Between Flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Thread Class3A A
Thread Series DesignatorUNF
Surface Treatment Document and ClassificationQQ-P-416 TY 2 31 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Grip Length0.046 INCHES MINIMUM AND 0.078 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
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Hole Configuration StyleHEXAGON FLATS
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND 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 AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
Features ProvidedFINISHED HEAD
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Length0.499 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Hole Quantity6
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch28
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-144-3646
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
MILB6812 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
23317 Hamilton Sundstrand Corporation (USA)
8107061 Us Army Aviation and Missile Command (USA)
MS20073-04-04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILB6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN74-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
SUCCESSOR 5306-00-144-3646 Bolt,machine
5306-00-063-3268SUCCESSOR
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
5306-00-151-0709SUCCESSOR
BOLT,MACHINE
5306-00-151-2513SUCCESSOR
BOLT,MACHINE
5306-00-151-2603SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-151-1084?

NSN 5306-00-151-1084 is a Bolt,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-151-1084?

NSN 5306-00-151-1084 has 6 cross-referenced part numbers: MILB6812 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 23317 (Hamilton Sundstrand Corporation), 8107061 (Us Army Aviation and Missile Command), MS20073-04-04 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILB6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5306-00-151-1084?

There are 12 known substitutes for 5306-00-151-1084: 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 MILB6812?

Key specifications for MILB6812: Thread Direction: RIGHT-HAND; Fastener Length: 0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Head Height: 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Hole Type: DRILLED. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-151-1084 still in active supply?

NSN 5306-00-151-1084 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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