PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB6812AAMEND2Bolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-151-2614 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-2614 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-2614. Primary manufacturer part number: MILB6812AAMEND2.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 24
  • Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Thread Length: 0.531 INCHES MINIMUM IN
  • Width Between Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 or Steel Comp 4130 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 8740 or Steel Comp 4140 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-151-2614, 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 4 commercial cross-references from 4 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
NSN5306-00-151-2614
Primary Part NumberMILB6812AAMEND2
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
Thread Quantity Per Inch24
Head Height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
Thread Class3A A
Thread Length0.531 INCHES MINIMUM IN
Width Between Flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Fastener Length3.219 INCHES NOMINAL IN
Head StyleHEXAGON
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Grip Length2.688 INCHES NOMINAL IN
MaterialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter0.312 INCHES IN
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-151-1407 (7601613)
HAZMATNo
Verified Substitutes 12
5306-00-151-14077601613 SUCCESSOR
Bolt,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Bolt,machine
Bolt,machine
5306-00-156-2338AN4C6A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-156-2344AN4C14A 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
5306-00-182-2025NASM3 THRU NASM20-AN5H6A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MILB6812AAMEND2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB6812AAMEND2 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN5-31A Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN5-31A Dialogic Corp Dba Dialogic Fasteners (USA)
Related Parts
SUCCESSOR 5306-00-151-1407 Bolt,machine · 7601613
5306-00-151-2615SUCCESSOR
BOLT,MACHINE
5306-00-151-2619SUCCESSOR
BOLT,MACHINE
5306-00-156-2338SUCCESSOR
BOLT,MACHINE
AN4C6A
5306-00-156-2344SUCCESSOR
BOLT,MACHINE
AN4C14A
5306-00-180-1933SUCCESSOR
BOLT,MACHINE
5306-00-182-1393SUCCESSOR
BOLT,MACHINE
5306-00-182-1899SUCCESSOR
BOLT,MACHINE
5306-00-182-2025SUCCESSOR
BOLT,MACHINE
NASM3 THRU NASM20-AN5H6A
5306-00-206-2332SUCCESSOR
BOLT,MACHINE
5306-00-208-1359SUCCESSOR
BOLT,MACHINE
5306-00-208-3646SUCCESSOR
BOLT,MACHINE
AN8-11A

Frequently Asked Questions

What is NSN 5306-00-151-2614?

NSN 5306-00-151-2614 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 5306-00-151-2614?

NSN 5306-00-151-2614 has 4 cross-referenced part numbers: MILB6812AAMEND2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB6812AAMEND2 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN5-31A (Aeronautical Standards Group Dept of Navy and Air Force), AN5-31A (Dialogic Corp Dba Dialogic Fasteners).

What NSN replaces 5306-00-151-2614?

There are 12 known substitutes for 5306-00-151-2614: 5306-00-151-1407, 5306-00-151-2615, 5306-00-151-2619 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB6812AAMEND2?

Key specifications for MILB6812AAMEND2: Thread Quantity Per Inch: 24; Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Thread Class: 3A A; Thread Length: 0.531 INCHES MINIMUM 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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