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 6145-01-431-1394
NSN 5999-00-517-4455
NSN 6320-01-384-3850
NSN 5960-01-185-4216
NSN 5910-00-660-9464
NSN 5895-01-581-2475
NSN 5895-00-275-5106
NSN 5950-00-818-6956
NSN 7035-01-026-0117
NSN 5950-00-156-7287
NSN 6130-01-112-7752
NSN 7035-01-596-3414