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 6650-01-478-7301
NSN 7035-01-098-5474
NSN 5895-00-104-5982
NSN 5945-00-732-4161
NSN 5985-01-312-4480
NSN 6145-01-062-6917
NSN 5855-00-885-8452
NSN 5920-01-205-2616
NSN 5835-01-185-1102
NSN 6220-01-231-9813
NSN 5996-01-415-3291
NSN 6645-01-563-6563