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 5915-01-157-9502
NSN 5835-01-168-6256
NSN 5920-01-450-8382
NSN 4140-01-648-4791
NSN 5990-01-443-2931
NSN 5996-00-256-3915
NSN 5990-00-288-1820
NSN 6320-00-809-5744
NSN 6145-01-651-7020
NSN 7035-00-140-0474
NSN 6135-00-073-8939
NSN 5855-00-586-6255