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 5835-01-087-3960
NSN 5910-00-615-9975
NSN 6620-01-462-1625
NSN 5915-01-642-1412
NSN 5998-01-168-8369
NSN
NSN 5855-00-323-0967
NSN 6645-01-366-5033
NSN 5915-01-308-8562
NSN 6135-01-622-1296
NSN 5835-00-051-9092
NSN 6130-01-003-6132