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 5975-01-133-7789
NSN 2925-01-216-7512
NSN 5855-00-294-7532
NSN 5950-00-466-2248
NSN 5996-01-218-6468
NSN 5925-01-367-2519
NSN 5990-00-226-1152
NSN 7035-01-328-7448
NSN 6105-00-917-2254
NSN 6110-01-445-5273
NSN 4140-00-197-9712
NSN 6135-01-462-6040