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 6240-01-327-4120
NSN 2925-00-422-5159
NSN 6220-00-135-3272
NSN 5985-01-065-1675
NSN 5965-01-615-9931
NSN 5975-01-289-1206
NSN 5935-00-850-0539
NSN 6620-01-603-6442
NSN 4140-00-100-4563
NSN 5996-01-572-8487
NSN 6685-00-753-2896
NSN 6220-01-356-8121