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 4140-01-361-9198
NSN 7035-01-338-9971
NSN 6645-00-801-8237
NSN 5925-01-362-8044
NSN 7035-00-337-8745
NSN 6220-01-211-7025
NSN 5990-00-234-0119
NSN 7035-01-582-2242
NSN 5965-01-254-6527
NSN 5895-00-622-0022
NSN 5915-01-333-4749
NSN 6685-00-384-0341