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 6685-01-388-2574
NSN 5910-01-194-3663
NSN 6110-01-511-3717
NSN 5960-00-376-0277
NSN 5950-01-361-8109
NSN 6320-01-220-2264
NSN 5965-01-421-1244
NSN 6220-01-513-5022
NSN 6110-01-416-5602
NSN 6135-01-100-3593
NSN 6220-00-279-1508
NSN 5996-01-318-3163