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 4140-01-212-3113
NSN 5990-01-419-0661
NSN 5945-01-162-8827
NSN 6220-00-806-2616
NSN 6135-01-265-1384
NSN 5985-00-419-8009
NSN 6685-01-451-3937
NSN 5996-01-258-2324
NSN 6220-00-287-9939
NSN 6130-00-147-3091
NSN 5835-01-632-6627
NSN 5975-01-282-2277