PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6-43Bolt,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5306-00-167-3705 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-167-3705 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-167-3705. Primary manufacturer part number: AN6-43.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 4.453 INCHES NOMINAL IN
  • Thread Length: 0.641 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN
  • Head Height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
  • Material: STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
  • Thread Quantity Per Inch: 24
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 5306-00-167-3705, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5306-00-167-3705
Primary Part NumberAN6-43
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Fastener Length4.453 INCHES NOMINAL IN
Thread Length0.641 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Shank Unthreaded Hole Diameter0.106 INCHES NOMINAL FIRST HOLE IN
Head Height0.203 INCHES MINIMUM AND 0.235 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
Thread Quantity Per Inch24
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Distance From Head Largest Bearing Surface to Shank Hole Center4.250 INCHES NOMINAL FIRST HOLE IN
Head StyleHEXAGON
Thread Series DesignatorUNF
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 MIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALL
Grip Length3.812 INCHES NOMINAL IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 ASSN STD 1ST TREATMENT RESPONSE OVERALL
Features ProvidedFINISHED HEAD
Nominal Thread Diameter0.375 INCHES IN
Surface TreatmentCADMIUM OVERALL
Width Between Flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-115-2676MS20659-143 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AN6-43 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5940-00-115-2676INTERCHANGEABLE
TERMINAL,LUG
MS20659-143

Frequently Asked Questions

What is NSN 5306-00-167-3705?

NSN 5306-00-167-3705 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 5306-00-167-3705?

NSN 5306-00-167-3705 has 1 cross-referenced part number: AN6-43 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-167-3705?

There is 1 known substitute for 5306-00-167-3705: 5940-00-115-2676. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6-43?

Key specifications for AN6-43: Fastener Length: 4.453 INCHES NOMINAL IN; Thread Length: 0.641 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN. 20 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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