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 2925-01-194-9737
NSN 6220-01-185-1136
NSN 6105-01-437-5501
NSN 6320-01-631-7828
NSN 5965-00-405-3793
NSN 6320-00-925-0558
NSN 6685-01-222-0141
NSN 6320-00-937-5625
NSN 5998-01-326-0890
NSN 6685-01-107-9643
NSN 5855-01-136-1916
NSN 5905-01-384-9900