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 6685-01-290-9381
NSN 6220-00-852-8317
NSN 5925-01-605-7333
NSN 5915-00-106-1676
NSN 5999-00-222-7428
NSN 5945-00-849-3673
NSN 6150-01-509-1076
NSN 5835-01-482-1591
NSN 6645-00-909-2143
NSN 6135-01-121-3225
NSN 5975-00-302-1088
NSN 6220-01-106-3215