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 5996-01-161-9408
NSN 5999-01-146-2384
NSN 2925-01-442-7812
NSN 6240-01-512-8129
NSN 6240-00-332-2084
NSN 6135-01-272-6039
NSN 5965-00-486-7907
NSN 6110-01-016-6247
NSN 5920-00-276-8657
NSN 5965-01-322-3271
NSN 5950-01-133-2654
NSN 6610-01-100-6658