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 4140-01-553-6883
NSN 6240-01-313-6869
NSN 6220-01-251-1389
NSN 4140-01-232-1026
NSN 5985-01-523-1462
NSN 6135-00-027-3914
NSN 5920-01-468-0186
NSN 6105-01-581-4009
NSN 6620-01-567-7456
NSN 5975-00-232-7647
NSN 5998-00-826-8379
NSN 6620-01-367-2597