PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN78A32Bolt,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5306-00-182-1393 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-182-1393 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-182-1393. Primary manufacturer part number: AN78A32.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 3.297 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Length: 0.797 INCHES MINIMUM IN
  • Hole Type: DRILLED
  • Hole Quantity: 6
  • Head Height: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM 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 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4037 or Steel Comp 4140 or Steel Comp 4130 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-182-1393, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 22 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: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-182-1393
Primary Part NumberAN78A32
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Fastener Length3.297 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Thread Length0.797 INCHES MINIMUM IN
Hole TypeDRILLED
Hole Quantity6
Head Height0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Width Between Flats0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Class3A A
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Grip Length2.500 INCHES NOMINAL IN
Hole Diameter0.070 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
MaterialSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR AMS 6300 ASSN STD 4TH MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 6TH MATERIAL RESPONSE OVERALL
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Thread Quantity Per Inch13
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-182-2025 (NASM3 THRU NASM20-AN5H6A)
HAZMATNo
Verified Substitutes 12
No Item Name Available
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
Cross-Reference Index
Part NumberManufacturer
AN78A32 Aeronautical Standards Group Dept of Navy and Air Force (USA)
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)
Related Parts
SUCCESSOR 5306-00-182-2025 Bolt,machine · NASM3 THRU NASM20-AN5H6A
5306-00-207-5754SUCCESSOR
NO ITEM NAME AVAILABLE
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
5306-00-182-1899SUCCESSOR
BOLT,MACHINE
5306-00-206-2332SUCCESSOR
BOLT,MACHINE
5306-00-208-1359SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-182-1393?

NSN 5306-00-182-1393 is a Bolt,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-182-1393?

NSN 5306-00-182-1393 has 3 cross-referenced part numbers: AN78A32 (Aeronautical Standards Group Dept of Navy and Air Force), 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).

What NSN replaces 5306-00-182-1393?

There are 12 known substitutes for 5306-00-182-1393: 5306-00-207-5754, 5306-00-151-1407, 5306-00-151-2614 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN78A32?

Key specifications for AN78A32: Fastener Length: 3.297 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Length: 0.797 INCHES MINIMUM IN; Hole Type: DRILLED. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-182-1393 still in active supply?

NSN 5306-00-182-1393 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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