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 5985-01-617-5988
NSN 5960-01-614-0489
NSN 5960-01-317-3800
NSN 5855-01-091-2273
NSN 2925-00-765-7021
NSN 5999-00-221-2281
NSN 6685-01-487-6001
NSN 5905-00-406-6651
NSN 2925-01-487-0886
NSN 6240-00-299-9819
NSN 6645-01-563-6563
NSN 5925-00-597-1558