Alloy steel, carbon-molybdenum grade 4 or alloy steel, chromium-molybdenum grade 7
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 6620-01-415-5803
NSN 5930-01-214-1873
NSN 5985-01-075-7467
NSN 5910-01-154-4763
NSN 5895-01-512-1877
NSN 4140-01-566-4347
NSN 4140-01-511-8304
NSN 6645-00-833-2395
NSN 5915-00-617-9477
NSN 6105-00-788-1185
NSN 6105-01-408-7868
NSN 6620-00-988-0976