PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN173-10Bolt,close Tolerance

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5306-00-151-1944 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-1944 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-1944. Primary manufacturer part number: AN173-10.
Features
  • Bolt,close Tolerance — FSC 5306
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Head Style: HEXAGON
  • Material: STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.313 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
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,close Tolerance, cataloged under National Stock Number 5306-00-151-1944, 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 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-151-1944
Primary Part NumberAN173-10
Item NameBolt,close Tolerance
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
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 Quantity Per Inch32
Thread Length0.313 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Class3A A
Distance From Head Largest Bearing Surface to Shank Hole Center0.891 INCHES NOMINAL ALL HOLES IN
Thread DirectionRIGHT-HAND
Fastener Length1.016 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
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
Thread Series DesignatorUNF
Grip Diameter0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN
Surface Finish63.0 MICROINCHES BEARING SURFACE OF HEAD
Head Height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Width Between Flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Shank Unthreaded Hole Diameter0.070 INCHES NOMINAL ALL HOLES IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Grip Length0.625 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,close Tolerance
Bolt,machine
5306-00-206-9577AN6H25 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,close Tolerance
Cross-Reference Index
Part NumberManufacturer
AN173-10 Aeronautical Standards Group Dept of Navy and Air Force (USA)
83-10 Department of the Air Force (USA)
B6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NASM6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
83-10 Army Air Force Drawings Under Custodianship of the Air Force
Related Parts
5306-00-292-6138SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-141-4507SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-1062SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-1063SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-3196SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-156-2457SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-167-3925SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-182-1815SUCCESSOR
BOLT,MACHINE
5306-00-206-9577SUCCESSOR
BOLT,MACHINE
AN6H25
5306-00-275-9525SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-582-5753SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-630-2118SUCCESSOR
BOLT,CLOSE TOLERANCE

Frequently Asked Questions

What is NSN 5306-00-151-1944?

NSN 5306-00-151-1944 is a Bolt,close Tolerance, 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 5306-00-151-1944?

NSN 5306-00-151-1944 has 5 cross-referenced part numbers: AN173-10 (Aeronautical Standards Group Dept of Navy and Air Force), 83-10 (Department of the Air Force), B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NASM6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 83-10 (Army Air Force Drawings Under Custodianship of the Air Force).

What NSN replaces 5306-00-151-1944?

There are 12 known substitutes for 5306-00-151-1944: 5306-00-292-6138, 5306-00-141-4507, 5306-00-151-1062 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN173-10?

Key specifications for AN173-10: Nominal Thread Diameter: 0.190 INCHES IN; Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS; Head Style: HEXAGON; Material: STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-151-1944 still in active supply?

NSN 5306-00-151-1944 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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