An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6685-01-055-2777
NSN 6135-01-154-3526
NSN 5910-00-122-5460
NSN 5999-01-063-7408
NSN 5835-01-447-2544
NSN 5935-01-067-3941
NSN 6110-01-354-2885
NSN 5835-00-393-1996
NSN 6150-00-460-2938
NSN 6610-01-102-2256
NSN 6320-01-155-4807
NSN 5975-01-651-9840