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 2925-00-513-6644
NSN 6320-01-512-2031
NSN 5905-01-148-7727
NSN 6685-01-512-4386
NSN 5925-00-759-0925
NSN 5910-00-258-8383
NSN 5999-01-599-8474
NSN 6110-01-299-1655
NSN 5920-01-034-7221
NSN 6105-00-244-8256
NSN 4140-01-194-6595
NSN 6110-00-244-1354