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 6150-01-449-1544
NSN 5996-01-648-0405
NSN 5965-00-462-6887
NSN 5990-01-364-0813
NSN 6135-00-973-5632
NSN 6685-01-462-5866
NSN 6320-01-072-2073
NSN 5990-01-113-7238
NSN 5950-00-164-3358
NSN 6620-01-100-2530
NSN 6150-01-476-8833
NSN 6105-01-569-6508