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 5950-01-249-3415
NSN 6105-01-605-5113
NSN 4140-01-086-4799
NSN 6220-01-316-2253
NSN 5945-01-370-6532
NSN 6220-00-926-1331
NSN 5998-01-519-7625
NSN 6145-01-440-4445
NSN 5910-00-221-8120
NSN 5935-01-243-8379
NSN 5895-00-512-8013
NSN 6645-01-167-0712