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 5855-01-131-9336
NSN 7035-01-512-8096
NSN 6610-00-888-3190
NSN 6130-00-917-7502
NSN 6650-01-398-1884
NSN 5975-00-435-7744
NSN 5990-01-647-8574
NSN 5925-00-866-3106
NSN 5950-01-275-7301
NSN 6240-01-554-0363
NSN 6320-00-336-9123
NSN 5960-01-151-4518