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 6645-00-679-8203
NSN 6320-00-115-0883
NSN 4140-00-948-0355
NSN 5905-00-306-1072
NSN 6150-01-480-2466
NSN 6130-00-019-8477
NSN 7035-00-104-7613
NSN 5935-00-412-9730
NSN 5920-01-412-0629
NSN 5998-01-426-5668
NSN 4140-00-924-0605
NSN 5915-01-349-0406