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 6150-00-531-4260
NSN 5999-01-121-1194
NSN 6645-01-149-2247
NSN 6685-01-142-1969
NSN 2925-00-592-2819
NSN 5855-01-020-7982
NSN 6620-00-082-1525
NSN 6150-00-468-0752
NSN 6620-01-539-1908
NSN 5975-00-273-0790
NSN 5998-01-056-6469
NSN 6105-01-182-7555