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 6130-01-150-5389
NSN 6135-00-161-0746
NSN 5910-00-347-5211
NSN 5985-01-410-7820
NSN 5945-01-394-8426
NSN 6650-00-030-2257
NSN 6650-00-834-9062
NSN 6620-00-843-5336
NSN 5960-01-301-3315
NSN 5920-01-406-6637
NSN 5925-01-457-2091
NSN 5999-01-535-4243