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 5905-01-343-2329
NSN 5965-01-384-1953
NSN 5945-01-326-2675
NSN 6110-00-553-8816
NSN 5915-00-957-9743
NSN 6150-01-642-3746
NSN 5945-00-419-0184
NSN 5945-00-444-5330
NSN 5930-01-099-1801
NSN 6145-01-161-7392
NSN 6135-00-932-3136
NSN 6650-01-415-6682