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 5835-01-384-3206
NSN 6135-01-067-8331
NSN 5895-01-511-0062
NSN 6620-00-054-4778
NSN 5925-00-262-6087
NSN 5895-01-166-5608
NSN 5945-01-224-7404
NSN 6645-01-205-0294
NSN 4140-01-656-8267
NSN 6110-00-229-9079
NSN 5996-01-343-0651
NSN 5960-01-319-6735