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 4140-00-032-5739
NSN 5925-01-426-6923
NSN 4140-00-249-5603
NSN 6645-01-367-7609
NSN 6135-01-413-4747
NSN 6645-01-029-7994
NSN 5965-01-089-8579
NSN 2925-00-126-2879
NSN 6150-00-111-3194
NSN 6685-00-596-8765
NSN 5905-01-544-8535
NSN 6110-00-429-4777