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 6240-01-071-9997
NSN 6135-00-938-1351
NSN 5996-01-123-9038
NSN 5855-00-233-2366
NSN 6145-00-770-4752
NSN 6645-01-647-8236
NSN 6220-01-631-4407
NSN 6610-00-476-2037
NSN 5999-00-269-5320
NSN 6620-01-378-9193
NSN 6145-01-245-2502
NSN 6135-01-465-0829