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 6320-01-228-2380
NSN 6135-01-521-7693
NSN 5895-00-263-3983
NSN 6105-01-091-4084
NSN 6645-01-348-8146
NSN 5998-01-517-1415
NSN 5975-01-065-0467
NSN 6135-01-628-1688
NSN 5950-00-671-7756
NSN 5930-00-949-3655
NSN 5935-01-333-4333
NSN 5910-00-958-8330