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 5895-01-186-8816
NSN 6135-01-487-0773
NSN 5895-00-157-8232
NSN 5996-00-811-8120
NSN 5950-00-238-3195
NSN 5895-01-487-8939
NSN 6150-00-335-7189
NSN 6320-01-355-2367
NSN 5895-01-238-7494
NSN 6685-01-504-8320
NSN 5950-00-014-2409
NSN 6650-01-500-1756