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 5945-01-378-7268
NSN 5925-01-196-5123
NSN 4140-01-204-6716
NSN 6645-01-620-0044
NSN 5905-01-288-9136
NSN 4140-00-818-5734
NSN 6110-01-536-6216
NSN 5998-01-147-5002
NSN 5855-01-406-4821
NSN 5935-00-226-7765
NSN 7035-01-514-4617
NSN 6150-00-767-0346