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 5998-00-661-0380
NSN 6150-00-694-6870
NSN 6150-01-219-2867
NSN 7035-01-464-1213
NSN 6130-01-158-4922
NSN 5910-01-227-6043
NSN 5950-01-501-0011
NSN 5996-00-045-8379
NSN 6650-00-054-4721
NSN 6645-00-116-1409
NSN 5895-00-414-5212
NSN 5925-01-393-2573