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Drilled Shank Close Tolerance Bolt NAS6604D21

Description:

Length: 1.737", grip: 1.312", thread: 1/4-28, hex head, drilled shank, tension, long thread, cadmium plated alloy steel

NAS6604D21 Details

National Stock Number (NSN) 5306-01-448-8309
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 5 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.425 inches
Fastener Length Between 0.970 inches and 1.030 inches
Head Style Hexagon
Head Height Between 0.125 inches and 0.140 inches
Width Between Flats Between 0.429 inches and 0.439 inches
Grip Diameter Between 0.2485 inches and 0.2495 inches
Shank Unthreaded Hole Diameter 0.076 inches first hole and 0.086 inches first hole
Thread Diameter 0.250 inches
Grip Length Between 1.302 inches and 1.322 inches
Thready Qty Per Inch (tpi) 28
Distance From Head Largest Bearing Surface To Shank Hole Center 0.284 inches first hole and 0.334 inches first hole
Material Steel
Material Specification Mil-s-5000, 4340 military specification single material response or mil-s-6049, 8740 military specification single material response or ams6322 assn standard single material response
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416, ty2, cl2 military specification single treatment response

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