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 5960-00-263-0106
NSN 5915-01-250-2451
NSN 5965-01-063-7894
NSN 6220-01-534-6695
NSN 6240-01-627-7610
NSN 6685-01-003-9343
NSN 6110-01-424-2641
NSN 4140-01-226-2182
NSN 5990-01-236-8399
NSN 5998-01-384-3938
NSN 6135-01-216-7170
NSN 5925-01-095-9990