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 5945-01-510-9223
NSN 6240-00-290-4185
NSN 6110-01-328-8292
NSN 5915-01-203-7193
NSN 5945-01-128-8995
NSN 6145-01-425-0491
NSN 6135-01-625-0765
NSN 5960-01-583-3127
NSN 2925-01-197-7864
NSN 6685-01-440-0716
NSN 6130-00-792-4612
NSN 5910-01-009-5380