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 5990-00-518-3195
NSN 5905-01-032-3409
NSN 6645-01-554-9772
NSN 6645-00-507-5544
NSN 6320-01-493-4472
NSN 5990-00-518-3195
NSN 5855-01-047-9267
NSN 4140-00-215-8593
NSN 5996-01-075-5184
NSN 6110-01-353-0991
NSN 6320-01-578-6006
NSN 6645-00-114-2678