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 5975-01-551-1172
NSN 7035-01-250-4268
NSN 5996-01-377-3743
NSN 5910-00-792-8182
NSN 6620-01-226-8639
NSN 5950-01-412-7878
NSN 5999-01-452-8513
NSN 5965-01-130-5952
NSN 5855-00-138-2386
NSN 5895-00-140-7846
NSN 6645-00-242-0480
NSN 5960-00-948-6012