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 6620-00-500-0041
NSN 6685-00-169-1663
NSN 6105-01-010-4286
NSN 5920-01-549-9647
NSN 5905-00-901-2994
NSN 6685-00-679-4281
NSN 5910-00-803-9881
NSN 7035-01-381-6185
NSN 6645-00-581-9239
NSN 6650-00-629-8027
NSN 5930-01-202-6821
NSN 5855-01-440-6614