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Flush Reduced Head Bolt NAS1581F3T6

Description:

Length: 0.738", thread: 10-32, shear 100° , flush reduced head bolt, alloy steel, offset cruciform

NAS1581F3T6 Details

National Stock Number (NSN) 5305-01-057-0344
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 100 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length Between 0.338 inches and 0.388 inches
Fastener Length Between 0.723 inches and 0.753 inches
Head Style Flat countersunk
Head Diameter Between 0.258 inches and 0.305 inches
Grip Diameter Between 0.1885 inches and 0.1895 inches
Internal Drive Style Offset cruciform (torque set)
Thread Diameter 0.190 inches
Grip Length Between 0.365 inches and 0.385 inches
Thready Qty Per Inch (tpi) 32
Min. Tensile Strength (psi) 160000 pounds per square inch
Hardness Rating 36.0 rockwell c and 40.0 rockwell c
Countersink Angle 100.0 degrees
Surface Finish 32.0 microinches grip
Surface Finish 32.0 microinches threads
Material Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 ty2 cl2 federal specification single treatment response
Thread Series Designator Unjf
Specification Data 80205-nas1581 professional/industrial association standard

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