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AN44-C4

Aeronautical Standard Bolt

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Description

Bolt part number AN44-C4

Specifications

Eye Inside Diameter 0.250 inches minimum and 0.253 inches maximum
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Material Steel
Material Specification Mil-s-18732 mil spec single material response
Min. Tensile Strength (psi) 125000 pounds per square inch
Overall Length 1.484
Shank Length 0.578 inches minimum and 0.625 inches maximum
Shank Unthreaded Hole Diameter 0.066 inches minimum and 0.086 inches maximum first hole
Shoulder Diameter 0.609 inches minimum and 0.641 inches maximum
Style Designator Round, closed w/shoulder
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.500 inches minimum and 0.579 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNF
Thread Size 1/4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for AN44-C4. Try the cross-reference lookup to search by a different part number.

Catalog data updated 2026-07-05. Report a data error