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 5945-01-377-2415
NSN 6130-01-520-9150
NSN 6685-01-584-0785
NSN 5915-01-452-3634
NSN 6620-01-369-3589
NSN 5915-01-411-5355
NSN 5935-01-384-4594
NSN 5925-01-056-3548
NSN 4140-00-613-9209
NSN 6645-01-605-1485
NSN 5999-00-774-4004
NSN 7035-00-931-9415