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 6650-00-850-3312
NSN 5975-01-440-7495
NSN 6110-01-121-8318
NSN 6150-00-138-3068
NSN 6220-00-155-4524
NSN 6240-00-372-4841
NSN 5920-01-253-8261
NSN 6620-00-155-2608
NSN 5990-01-065-0492
NSN 6610-01-469-7873
NSN 5910-01-585-1178
NSN 5999-01-611-3376