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Drilled Shank Close Tolerance Bolt NAS6204-21D

Description:

Length: 1.682", grip: 1.312", thread: 1/4-28, hex head, drilled shank, tension, short thread, cadmium plated alloy steel

NAS6204-21D Details

National Stock Number (NSN) 5306-01-245-4068
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 10 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.370 inches
Fastener Length Between 1.667 inches and 1.697 inches
Head Style Dished hexagon
Head Height Between 0.125 inches and 0.140 inches
Width Between Flats Between 0.429 inches and 0.439 inches
Hole Diameter Between 0.046 inches and 0.056 inches
Grip Diameter Between 0.2445 inches and 0.2450 inches
Shank Unthreaded Hole Diameter 0.076 inches first hole and 0.086 inches first hole
Single Shear Strength 95000 pounds per square inch
Thread Diameter 0.250 inches
Grip Length Between 1.302 inches and 1.322 inches
Hole Quantity 3
Hole Type Drilled
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 180000 pounds per square inch
Hardness Rating 36.0 rockwell c and 40.0 rockwell c
Hole Configuration Style Hexagon corners
Distance From Head Largest Bearing Surface To Shank Hole Center 1.487 inches first hole and 1.537 inches first hole
Material Steel
Material Specification Mil-s-5000 military specification single material response or mil-s-6049 military specification single material response or ams6322 assn standard single material response
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416, type ii, class 2 federal specification single treatment response
Thread Series Designator Unjf

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