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 6240-00-876-2525
NSN 6320-01-578-6006
NSN 5910-01-622-1952
NSN 5855-01-083-1027
NSN 7035-00-155-9513
NSN 5999-00-559-4033
NSN 5855-01-617-2053
NSN 5975-00-953-0378
NSN 6135-00-500-2082
NSN 5998-01-599-9907
NSN 5990-00-912-9166
NSN 6320-01-313-2709