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 6220-01-199-2512
NSN 6110-01-418-0199
NSN 5965-01-188-8530
NSN 5975-01-408-4288
NSN 6645-01-350-3138
NSN 6645-01-255-0391
NSN 6620-01-633-8443
NSN 5950-00-583-3341
NSN 5996-00-501-4326
NSN 6620-00-888-3179
NSN 5930-01-447-3801
NSN 6145-01-191-4630