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 5905-01-490-6339
NSN 6610-00-231-2730
NSN 6135-01-106-7740
NSN 6150-01-466-3475
NSN 5905-00-417-9995
NSN 5945-01-575-5058
NSN 2925-00-925-0545
NSN 5920-00-620-3280
NSN 4140-00-458-3327
NSN 2925-00-495-8130
NSN 5835-01-099-8702
NSN 5998-01-095-8632