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: Nuts of iron or steel
NSN 5960-01-250-5502
NSN 5975-01-142-4627
NSN 6130-01-355-6557
NSN 5999-01-417-9761
NSN 6220-01-104-2394
NSN 5855-00-135-0797
NSN 6135-00-235-1938
NSN 6220-00-925-9497
NSN 5905-00-547-2473
NSN 5945-00-158-8773
NSN 6220-01-550-9053
NSN 5905-01-211-1434