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 6240-00-887-8103
NSN 6240-01-457-5672
NSN 5998-01-174-8682
NSN 5985-00-596-7263
NSN 5910-01-517-1237
NSN 5855-01-328-7434
NSN 6645-01-109-7029
NSN 6150-00-721-3945
NSN 5950-01-444-1666
NSN 6135-00-715-4001
NSN 5990-00-539-7859
NSN 6145-00-754-8372