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 6620-01-426-2220
NSN 5925-01-314-5514
NSN 6220-00-551-7516
NSN 4140-01-094-3584
NSN 4140-01-230-5379
NSN 7035-00-782-7046
NSN 6650-01-082-8962
NSN 7035-00-931-9415
NSN 5999-00-117-4567
NSN 6620-01-013-5432
NSN 6620-01-238-9224
NSN 5996-01-179-1744