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Airframe Bolt, Drilled AN6-57

Description:

Length: 5-61/64", grip: 5-5/16", thread: 3/8-24, cadmium plated steel, drilled shank

AN6-57 Details

National Stock Number (NSN) 5306-00-167-3717
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 1 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.641 inches
Fastener Length 5.953 inches
Head Style Hexagon
Head Height Between 0.203 inches and 0.235 inches
Width Between Flats Between 0.553 inches and 0.565 inches
Shank Unthreaded Hole Diameter 0.106 inches all holes
Thread Diameter 0.375 inches
Grip Length 5.312 inches
Features Provided Finished head
Thready Qty Per Inch (tpi) 24
Min. Tensile Strength (psi) 125000 pounds per square inch
Hardness Rating 26.0 rockwell c and 32.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center 5.750 inches first hole
Material Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416, ty2, cl3 federal specification single treatment response
Thread Series Designator Unf

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