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Drilled Shank Close Tolerance Bolt NAS6205-18D

Description:

Length: 1.563", grip: 1.125", thread: 5/16-24, hex head, drilled shank, tension, short thread, cadmium plated alloy steel

NAS6205-18D Details

National Stock Number (NSN) 5306-01-100-6947
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 4 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.438 inches
Fastener Length Between 1.548 inches and 1.578 inches
Head Style Dished hexagon
Head Height Between 0.156 inches and 0.171 inches
Width Between Flats Between 0.492 inches and 0.502 inches
Grip Diameter Between 0.3110 inches and 0.3120 inches
Shank Unthreaded Hole Diameter 0.076 inches first hole and 0.086 inches first hole
Thread Diameter 0.312 inches
Grip Length Between 1.115 inches and 1.135 inches
Thready Qty Per Inch (tpi) 24
Min. Tensile Strength (psi) 160000 pounds per square inch
Hardness Rating 36.0 rockwell c and 40.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center 1.376 inches first hole and 1.386 inches first hole
Surface Finish 125.0 microinches sides of head
Surface Finish 125.0 microinches top of head
Surface Finish 32.0 microinches bearing surface of head
Surface Finish 32.0 microinches grip
Surface Finish 32.0 microinches threads
Material Steel comp e4340 or steel comp 8740
Material Specification Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416, type 2, class 2 federal specification all treatment responses
Thread Series Designator Unjf
Specification Data 80205-nas6205 professional/industrial association specification

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