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 6240-00-917-7245
NSN 6610-01-431-6867
NSN 5975-00-921-3644
NSN 7035-01-326-3875
NSN 5985-01-510-4113
NSN 6145-01-479-0047
NSN 6645-01-595-7659
NSN 4140-00-067-9405
NSN 5998-01-470-6716
NSN 5945-01-646-7101
NSN 5996-01-554-0479
NSN 5935-01-160-8803