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Close Tolerance Bolt NAS6204-45

Description:

NAS6204-45 Details

National Stock Number (NSN) 5306-01-228-7643
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 Between 0.345 inches and 0.395 inches
Fastener Length Between 3.167 inches and 3.197 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
Grip Diameter Between 0.2485 inches and 0.2495 inches
Thread Diameter 0.250 inches
Grip Length Between 2.802 inches and 2.822 inches
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 160000 pounds per square inch
Hardness Rating 36.0 rockwell c and 40.0 rockwell c
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 ams6322 assn standard 2nd material response
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator Unjf
Specification Data 80205-nas6204 professional/industrial association standard

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