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External Wrenching Bolt NAS624H8

Description:

Length: 0.985", grip: 0.500", thread: 1/4-28, twelve point external wrenching bolt, drilled head, cadmium plated steel

NAS624H8 Details

National Stock Number (NSN) 5306-00-834-7384
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 Between 0.460 inches and 0.510 inches
Fastener Length Between 0.970 inches and 1.000 inches
Head Style Double hexagon w/hole
Head Height 0.300 inches
Width Between Flats Between 0.306 inches and 0.315 inches
Extended Washer Diameter 0.433 inches
Extended Washer Thickness 0.069 inches
Hole Diameter 0.037 inches
Grip Diameter Between 0.2485 inches and 0.2495 inches
Thread Diameter 0.250 inches
Grip Length Between 0.490 inches and 0.510 inches
Hole Quantity 4
Hole Type Drilled
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 180000 pounds per square inch
Hardness Rating 39.0 rockwell c and 43.0 rockwell c
Hole Configuration Style Double hexagon longitudinal hole
Material Steel comp e4340 or steel comp 8735 or steel comp 8740 or steel comp 6150 or steel comp 4140
Material Specification Mil-s-5000 military specification 1st material response or mil-s-6098 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response
Surface Treatment Cadmium
Surface Treatment Specification Nas 672 assn standard single treatment response
Thread Series Designator Unf
Specification Data 80205-nas624 professional/industrial association standard

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