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 6685-01-614-8086
NSN 6320-01-318-6518
NSN 6135-01-100-3593
NSN 6145-00-862-7069
NSN 6105-00-617-9331
NSN 6105-00-665-8581
NSN 5835-01-213-0833
NSN 6105-01-465-5502
NSN 5965-01-422-3232
NSN 5910-01-331-7589
NSN 5920-00-081-5958
NSN 6130-01-247-9758