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 5950-01-185-2180
NSN 5905-01-539-5397
NSN 5965-00-849-1313
NSN 5935-00-493-0468
NSN 5999-00-147-3148
NSN 5925-01-577-5546
NSN 5910-01-365-2488
NSN 5920-01-442-8998
NSN 6645-01-218-5234
NSN 6220-01-138-1622
NSN 6150-01-427-3764
NSN 6110-01-511-9917