PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN44-5Bolt,eye

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-271-4821 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-271-4821 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-271-4821. Primary manufacturer part number: AN44-5.
Features
  • Bolt,eye — FSC 5306
  • Eye Stock Thickness: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Shoulder Diameter: 0.625 INCHES NOMINAL IN
  • Style Designator: ROUND, CLOSED W/SHOULDER
  • Thread Quantity Per Inch: 24
  • 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 5306-00-271-4821, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-271-4821
Primary Part NumberAN44-5
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
Eye Stock Thickness0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Thread Class3A A
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Shoulder Diameter0.625 INCHES NOMINAL IN
Style DesignatorROUND, CLOSED W/SHOULDER
Thread Quantity Per Inch24
Shoulder Thickness0.094 INCHES NOMINAL IN
Shank Unthreaded Hole Diameter0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
Distance From Threaded End to Shank Hole Center0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST HOLE IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Eye Outside Width0.625 INCHES NOMINAL 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 Series DesignatorUNF
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Thread Diameter0.312 INCHES IN
Thread Length0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Eye Inside Diameter0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Shank Length0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-151-1128
HAZMATNo
Verified Substitutes 3
No Item Name Available
Bolt,machine
5940-00-754-5441 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
AN44-5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN44-5 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5306PL1495047 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
SUCCESSOR 5306-00-151-1128 Bolt,machine
5306-00-206-3867SUCCESSOR
NO ITEM NAME AVAILABLE
5940-00-754-5441INTERCHANGEABLE
TERMINAL,LUG

Frequently Asked Questions

What is NSN 5306-00-271-4821?

NSN 5306-00-271-4821 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 5306-00-271-4821?

NSN 5306-00-271-4821 has 3 cross-referenced part numbers: AN44-5 (Aeronautical Standards Group Dept of Navy and Air Force), AN44-5 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 5306PL1495047 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5306-00-271-4821?

There are 3 known substitutes for 5306-00-271-4821: 5306-00-206-3867, 5306-00-151-1128, 5940-00-754-5441. Verify interchangeability with system specifications before substitution.

What are the specifications of AN44-5?

Key specifications for AN44-5: Eye Stock Thickness: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Thread Class: 3A A; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Shoulder Diameter: 0.625 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-271-4821 still in active supply?

NSN 5306-00-271-4821 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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