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 5905-00-803-6693
NSN 2925-01-058-1718
NSN 6685-01-535-4250
NSN 5990-01-644-3095
NSN 5999-01-533-1907
NSN 6645-01-557-4608
NSN 5895-01-292-3584
NSN 5835-01-132-7972
NSN 6685-01-192-3051
NSN 6685-00-057-1742
NSN 5975-01-591-3414
NSN 5910-01-547-1752