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 5990-00-490-5250
NSN 5855-01-391-7472
NSN 6105-01-600-0366
NSN 5950-00-930-1304
NSN 5855-01-201-4857
NSN 5905-01-117-7284
NSN 7035-01-377-7712
NSN 6645-01-595-7659
NSN 6130-00-116-8170
NSN 6220-01-521-2720
NSN 6135-01-205-5965
NSN 6645-01-322-8897