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 5999-01-238-9713
NSN 6240-00-306-9214
NSN 5915-01-095-4069
NSN 5996-01-167-8914
NSN 5920-01-603-0985
NSN 7035-01-123-8723
NSN 5835-00-408-5499
NSN 4140-00-135-6398
NSN 2925-00-898-9135
NSN 6130-01-502-2579
NSN 5990-01-378-7349
NSN 5960-01-512-0233