PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN75-4Bolt,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5306-00-150-9148 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-150-9148 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-150-9148. Primary manufacturer part number: AN75-4.
Features
  • Bolt,machine — FSC 5306
  • Hole Quantity: 6
  • Thread Class: 3A A
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Head Height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
  • Features Provided: FINISHED HEAD
  • Grip Length: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
  • Width Between Flats: 0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 or Steel Comp 8640 or Steel Comp 8735 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-150-9148, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-150-9148
Primary Part NumberAN75-4
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Hole Quantity6
Thread Class3A A
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Head Height0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Grip Length0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
Width Between Flats0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
Fastener Length0.594 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
Hole Diameter0.070 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416 TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Thread Diameter0.312 INCHES IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Hole Configuration StyleHEXAGON FLATS
Thread Series DesignatorUNF
MaterialSTEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Length0.517 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
Hole TypeDRILLED
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch24
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-156-2665AN7-54 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN75-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS20073-05-04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5306-00-156-2665SUCCESSOR
BOLT,MACHINE
AN7-54

Frequently Asked Questions

What is NSN 5306-00-150-9148?

NSN 5306-00-150-9148 is a Bolt,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-150-9148?

NSN 5306-00-150-9148 has 2 cross-referenced part numbers: AN75-4 (Aeronautical Standards Group Dept of Navy and Air Force), MS20073-05-04 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-150-9148?

There is 1 known substitute for 5306-00-150-9148: 5306-00-156-2665. Verify interchangeability with system specifications before substitution.

What are the specifications of AN75-4?

Key specifications for AN75-4: Hole Quantity: 6; Thread Class: 3A A; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Head Height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN. 21 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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