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 6150-01-165-6525
NSN 5950-01-579-2848
NSN 5990-01-217-1550
NSN 6650-00-197-7563
NSN 6220-01-602-9275
NSN 5905-01-433-6645
NSN 6610-00-780-4696
NSN 5960-01-009-5983
NSN 6240-01-485-0008
NSN 5925-01-045-8700
NSN 4140-00-343-8654
NSN 6240-01-381-1072