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 6620-00-086-5223
NSN 5998-00-485-4165
NSN 5920-01-578-4986
NSN 5895-00-738-8406
NSN 7035-01-617-5636
NSN 6105-01-394-4175
NSN 6650-01-574-9197
NSN 5999-00-045-3691
NSN 6620-01-359-9363
NSN 5985-00-458-4309
NSN 5975-00-844-1066
NSN 6145-01-246-3827