A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6130-00-999-1116
NSN 5855-01-249-0717
NSN 6135-01-255-9129
NSN 5950-01-513-9668
NSN 4140-01-280-5364
NSN 5945-01-343-4902
NSN 5915-00-833-5356
NSN 6130-01-414-5369
NSN 6685-00-933-6194
NSN 6685-01-416-8991
NSN 6105-00-618-4401
NSN 5905-00-497-0251