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 5905-01-435-6357
NSN 5985-01-222-4960
NSN 5895-01-117-4630
NSN 6620-01-321-5514
NSN 6620-01-314-3635
NSN 5960-00-153-7115
NSN 5925-01-467-9181
NSN 5965-00-393-1294
NSN 6110-01-519-4548
NSN 6145-00-252-8969
NSN 5990-01-071-1505
NSN 6220-01-277-5812