PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN44-4Bolt,eye

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-206-3868 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-206-3868 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-206-3868. Primary manufacturer part number: AN44-4.
Features
  • Bolt,eye — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.532 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN
  • Distance From Center of Eye to Shank End: 1.124 INCHES NOMINAL IN
  • Shoulder Thickness: 0.094 INCHES NOMINAL IN
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,eye, cataloged under National Stock Number 5306-00-206-3868, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 22 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-206-3868
Primary Part NumberAN44-4
Item NameBolt,eye
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Length0.532 INCHES MINIMUM IN
Nominal Thread Diameter0.312 INCHES IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Shank Unthreaded Hole Diameter0.106 INCHES NOMINAL FIRST HOLE IN
Distance From Center of Eye to Shank End1.124 INCHES NOMINAL IN
Shoulder Thickness0.094 INCHES NOMINAL IN
Eye Stock Thickness0.188 INCHES NOMINAL IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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
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 Series DesignatorUNF
Thread Quantity Per Inch24
Distance From Threaded End to Shank Hole Center0.500 INCHES NOMINAL FIRST HOLE IN
Style DesignatorROUND, CLOSED W/SHOULDER
Shank Length0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Shoulder Diameter0.625 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Eye Outside Width0.625 INCHES NOMINAL IN
Eye Inside Diameter0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-151-1129
HAZMATNo
Verified Substitutes 4
No Item Name Available
Bolt,machine
5306-01-282-2352AN4H44 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5940-00-993-6937 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
AN44-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN44-4 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
SUCCESSOR 5306-00-151-1129 Bolt,machine
5306-00-271-4822SUCCESSOR
NO ITEM NAME AVAILABLE
5306-01-282-2352SUCCESSOR
BOLT,MACHINE
AN4H44
5940-00-993-6937INTERCHANGEABLE
TERMINAL,LUG

Frequently Asked Questions

What is NSN 5306-00-206-3868?

NSN 5306-00-206-3868 is a Bolt,eye, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-206-3868?

NSN 5306-00-206-3868 has 2 cross-referenced part numbers: AN44-4 (Aeronautical Standards Group Dept of Navy and Air Force), AN44-4 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5306-00-206-3868?

There are 4 known substitutes for 5306-00-206-3868: 5306-00-271-4822, 5306-00-151-1129, 5306-01-282-2352 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN44-4?

Key specifications for AN44-4: Thread Direction: RIGHT-HAND; Thread Length: 0.532 INCHES MINIMUM IN; Overall Length: 1.484 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-206-3868 still in active supply?

NSN 5306-00-206-3868 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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