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 7035-01-416-5910
NSN 6145-01-283-6491
NSN 5998-01-534-2802
NSN 6645-00-065-7286
NSN 5975-01-444-1687
NSN 5975-01-617-0178
NSN 5920-00-905-1831
NSN 5925-01-255-6144
NSN 5895-01-353-1595
NSN 6220-01-067-0631
NSN 6240-00-197-6819
NSN 5920-00-936-1661