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 6145-01-218-4097
NSN 6645-00-392-8728
NSN 5999-00-915-5560
NSN 2925-00-038-0596
NSN 5905-00-657-4617
NSN 5930-00-069-2447
NSN 5950-01-228-3452
NSN 5925-00-921-1171
NSN 6145-00-061-2914
NSN 6135-00-756-6149
NSN 6650-00-326-8130
NSN 5895-00-826-8373