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 6240-00-983-2641
NSN 5975-01-544-0487
NSN 6110-01-487-2842
NSN 4140-00-669-6109
NSN 6610-00-142-9678
NSN 6220-01-390-6357
NSN 5905-01-153-2512
NSN 6105-01-071-4155
NSN 5905-00-948-0295
NSN 5985-01-149-1437
NSN 6110-00-492-4752
NSN 5999-01-401-5322