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 6645-01-157-9080
NSN 5910-01-115-3000
NSN 5975-01-378-7762
NSN 6150-01-608-1511
NSN 5905-00-216-8671
NSN 6620-00-229-2728
NSN 6145-00-526-3056
NSN 5910-01-449-2096
NSN 5925-01-497-3259
NSN 5910-01-239-4824
NSN 6110-01-056-4964
NSN 5975-00-949-1729