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 6620-01-661-0455
NSN 5905-00-309-6745
NSN 5975-01-346-9264
NSN 6620-01-215-0470
NSN 5950-01-426-8810
NSN 6645-01-566-1386
NSN 5998-01-188-7217
NSN 5960-01-364-1318
NSN 6240-01-617-6202
NSN 5925-01-051-2283
NSN 7035-01-125-3329
NSN 5905-01-641-3575