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 5935-01-541-5104
NSN 6145-00-017-9707
NSN 6610-00-930-9160
NSN 5985-01-167-0103
NSN 7035-00-803-3056
NSN 5910-01-411-5366
NSN 5905-00-422-2664
NSN 5960-01-502-6270
NSN 6135-01-265-1384
NSN 5930-00-374-9927
NSN 5975-00-452-1197
NSN 6145-01-106-1252