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 5965-00-990-8669
NSN 7035-01-056-9966
NSN 4140-01-050-9194
NSN 5990-01-003-2627
NSN 5985-01-216-3257
NSN 5999-01-111-7406
NSN 7035-01-313-6973
NSN 5945-01-289-9703
NSN 5998-01-431-9034
NSN 6620-01-062-7163
NSN 5975-00-170-3623
NSN 4140-00-016-2615