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 5990-01-364-1942
NSN 6610-00-761-5459
NSN 6130-01-251-3936
NSN 4140-01-553-8769
NSN 6645-00-510-6643
NSN 5975-01-501-8411
NSN 5930-01-441-8479
NSN 6150-01-234-3254
NSN 6645-01-461-1542
NSN 5920-01-371-3112
NSN 5855-00-797-8217
NSN 5965-01-529-5311