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 6135-01-512-8740
NSN 5965-01-222-2613
NSN 5950-01-044-8096
NSN 6610-00-939-2592
NSN 5905-01-200-0161
NSN 6240-01-087-4749
NSN 5945-01-250-1504
NSN 6105-01-031-8772
NSN 6105-00-561-7169
NSN 6130-01-206-4587
NSN 5999-00-615-7567
NSN 5945-00-432-1589