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 4140-01-125-5187
NSN 6135-01-068-0119
NSN 5920-01-646-8531
NSN 5835-00-759-1109
NSN 6110-01-065-5791
NSN 6240-00-153-8929
NSN 5905-00-630-4603
NSN 6105-00-082-0333
NSN 5960-01-563-4797
NSN 5930-00-177-3316
NSN 6620-00-286-5721
NSN 6135-01-045-1504