PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB6812AAMEND2Bolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-182-1899 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-182-1899 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-182-1899. Primary manufacturer part number: MILB6812AAMEND2.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 3A A
  • Hole Diameter: 0.046 INCHES NOMINAL IN
  • Thread Length: 0.406 INCHES MINIMUM IN
  • Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
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 5306-00-182-1899, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5306-00-182-1899
Primary Part NumberMILB6812AAMEND2
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
StatusACTIVE
Thread Class3A A
Hole Diameter0.046 INCHES NOMINAL IN
Thread Length0.406 INCHES MINIMUM IN
Width Between Flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Head StyleHEXAGON
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Grip Length0.875 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
MaterialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Thread Quantity Per Inch32
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Hole Quantity1
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Shank Unthreaded Hole Diameter0.070 INCHES NOMINAL FIRST HOLE IN
Distance From Head Largest Bearing Surface to Shank Hole Center1.141 INCHES NOMINAL FIRST HOLE IN
Hole TypeDRILLED
Hole Configuration StyleHEXAGON FLATS
Fastener Length1.281 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Series DesignatorUNF
Head Height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-208-1359
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
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
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 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MILB6812AAMEND2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN3H12 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
SUCCESSOR 5306-00-208-1359 Bolt,machine
5306-00-151-1407SUCCESSOR
BOLT,MACHINE
7601613
5306-00-151-2614SUCCESSOR
BOLT,MACHINE
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
5306-00-182-2025SUCCESSOR
BOLT,MACHINE
NASM3 THRU NASM20-AN5H6A
5306-00-206-2332SUCCESSOR
BOLT,MACHINE
5306-00-208-3646SUCCESSOR
BOLT,MACHINE
AN8-11A

Frequently Asked Questions

What is NSN 5306-00-182-1899?

NSN 5306-00-182-1899 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: active.

What are the part numbers for NSN 5306-00-182-1899?

NSN 5306-00-182-1899 has 3 cross-referenced part numbers: MILB6812AAMEND2 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MILB6812AAMEND2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN3H12 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-182-1899?

There are 12 known substitutes for 5306-00-182-1899: 5306-00-151-1407, 5306-00-151-2614, 5306-00-151-2615 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB6812AAMEND2?

Key specifications for MILB6812AAMEND2: Thread Class: 3A A; Hole Diameter: 0.046 INCHES NOMINAL IN; Thread Length: 0.406 INCHES MINIMUM IN; Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM 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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