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 6610-01-172-4041
NSN 5930-01-276-6294
NSN 5999-00-804-4488
NSN 6645-01-541-7619
NSN 5915-01-385-1866
NSN 5910-00-179-5826
NSN 6645-01-440-5500
NSN 6220-01-563-1420
NSN 5945-01-008-6137
NSN 5855-01-096-9294
NSN 5895-01-627-0200
NSN 5910-01-264-3224