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 6135-00-269-5843
NSN 6645-01-449-8752
NSN 6320-01-036-2598
NSN 5996-01-559-0284
NSN 6150-01-465-3374
NSN 4140-00-247-0613
NSN 6145-01-233-4796
NSN 5950-00-284-5862
NSN 6610-00-261-8159
NSN 5905-00-475-1185
NSN 5950-01-301-4248
NSN 6220-00-397-6910