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 6320-01-250-0290
NSN 6105-01-507-7442
NSN 6240-01-224-6941
NSN 7035-00-541-8516
NSN 6130-01-159-7884
NSN 6135-01-210-8715
NSN 6645-00-116-1409
NSN 5930-00-244-0171
NSN 5925-01-106-3641
NSN 5950-01-021-3823
NSN 6145-01-591-6782
NSN 5950-01-104-3436