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 6110-01-347-6184
NSN 6145-01-485-3157
NSN 5855-00-466-2309
NSN 5905-01-450-3400
NSN 5930-01-387-0485
NSN 6105-00-079-2409
NSN 6685-01-058-8066
NSN 6645-01-476-3660
NSN 6110-00-915-0177
NSN 6685-01-159-1254
NSN 5910-00-779-0228
NSN 6620-01-654-9436