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 6110-00-078-3393
NSN 5990-00-539-7859
NSN 5930-01-322-7460
NSN 6105-01-444-6683
NSN 5920-01-498-9294
NSN 5915-01-264-0986
NSN 5905-01-182-1327
NSN 6645-01-501-0576
NSN 6105-00-334-9178
NSN 5950-01-316-6120
NSN 7035-01-021-7956
NSN 5999-00-020-9015