PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN182-26Bolt,close Tolerance

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5306-00-630-2118 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-630-2118 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-630-2118. Primary manufacturer part number: AN182-26.
Features
  • Bolt,close Tolerance — FSC 5306
  • Width Between Flats: 1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN
  • Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD
  • Shank Unthreaded Hole Diameter: 0.141 INCHES NOMINAL FIRST HOLE IN
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Hole Type: DRILLED
  • Material Document and Classification: MIL-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 MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
  • 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 4140 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-630-2118, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5306-00-630-2118
Primary Part NumberAN182-26
Item NameBolt,close Tolerance
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Width Between Flats1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN
Surface Finish63.0 MICROINCHES BEARING SURFACE OF HEAD
Shank Unthreaded Hole Diameter0.141 INCHES NOMINAL FIRST HOLE IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Hole TypeDRILLED
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 MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Hole Diameter0.070 INCHES NOMINAL IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Nominal Thread Diameter0.750 INCHES IN
Distance From Head Largest Bearing Surface to Shank Hole Center2.687 INCHES NOMINAL FIRST HOLE IN
Surface Finish63.0 MICROINCHES GRIP
Hole Quantity1
Hole Configuration StyleHEXAGON FLATS
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Thread Quantity Per Inch16
Grip Length1.796 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
Fastener Length2.890 INCHES MINIMUM AND 2.937 INCHES MAXIMUM IN
Head Height0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Thread Class3A A
Thread Length1.062 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Grip Diameter0.7481 INCHES MINIMUM AND 0.7488 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-027-5803
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-051-2344NASM20074-05-40 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,machine
5306-00-087-3927NASM20073-06-21 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-103-2873NAS1297-4-20 SUCCESSOR
Bolt,shoulder
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,close Tolerance
Cross-Reference Index
Part NumberManufacturer
AN182-26 Aeronautical Standards Group Dept of Navy and Air Force (USA)
B6812 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN182H26 Aeronautical Standards Group Dept of Navy and Air Force (USA)
NASM6812 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
SUCCESSOR 5306-00-027-5803 Bolt,machine
5306-00-182-1508SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-051-2337SUCCESSOR
BOLT,MACHINE
5306-00-051-2338SUCCESSOR
BOLT,MACHINE
5306-00-051-2343SUCCESSOR
BOLT,MACHINE
5306-00-051-2344SUCCESSOR
BOLT,MACHINE
NASM20074-05-40
5306-00-051-2349SUCCESSOR
BOLT,MACHINE
5306-00-087-3927SUCCESSOR
BOLT,MACHINE
NASM20073-06-21
5306-00-103-2873SUCCESSOR
BOLT,SHOULDER
NAS1297-4-20
5306-00-141-4519SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-141-4712SUCCESSOR
BOLT,MACHINE
5306-00-141-4716SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-630-2118?

NSN 5306-00-630-2118 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 5306-00-630-2118?

NSN 5306-00-630-2118 has 4 cross-referenced part numbers: AN182-26 (Aeronautical Standards Group Dept of Navy and Air Force), B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN182H26 (Aeronautical Standards Group Dept of Navy and Air Force), NASM6812 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5306-00-630-2118?

There are 12 known substitutes for 5306-00-630-2118: 5306-00-182-1508, 5306-00-027-5803, 5306-00-051-2337 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN182-26?

Key specifications for AN182-26: Width Between Flats: 1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Shank Unthreaded Hole Diameter: 0.141 INCHES NOMINAL FIRST HOLE IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-630-2118 still in active supply?

NSN 5306-00-630-2118 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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