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 5905-01-516-5366
NSN 6145-00-317-2087
NSN 5965-01-373-4716
NSN 7035-01-351-4111
NSN 5975-00-201-8826
NSN 2925-01-477-8037
NSN 5998-00-343-7435
NSN 5990-01-395-4194
NSN 6145-01-451-7412
NSN 5975-01-161-9256
NSN 6130-00-482-9845
NSN 5855-01-349-8583