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 6650-01-534-3587
NSN 5925-00-061-4619
NSN 6650-00-279-5741
NSN 5999-01-204-3769
NSN 5920-01-441-2286
NSN 4140-01-168-8796
NSN 6645-00-829-8868
NSN 6150-00-004-9959
NSN 6105-00-786-4141
NSN 5996-00-636-4849
NSN 5855-00-987-1171
NSN 5960-01-536-9763