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 6685-01-475-4188
NSN 6110-01-497-3343
NSN 5905-01-152-0578
NSN 5910-00-068-5379
NSN 5999-01-557-1940
NSN 5960-00-839-1529
NSN 5975-01-522-0326
NSN 5920-01-556-4823
NSN 5905-01-322-5961
NSN 5965-01-286-4341
NSN 5835-01-647-6426
NSN 6220-00-578-6539