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 6220-00-833-3904
NSN 5910-01-482-1612
NSN 2925-01-370-6898
NSN 6320-01-116-3980
NSN 6150-01-512-5517
NSN 5855-01-149-4110
NSN 5965-00-170-5254
NSN 5965-01-100-1195
NSN 6645-01-519-2220
NSN 5920-01-477-1617
NSN 5965-00-936-4428
NSN 6320-01-160-7757