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 5905-01-153-7443
NSN 5905-01-140-1367
NSN 5905-01-317-6684
NSN 6650-01-227-4976
NSN 6610-01-566-8198
NSN 5915-00-893-6988
NSN 5990-00-488-1091
NSN 5920-00-009-3297
NSN 5925-01-299-1286
NSN 6620-01-397-1085
NSN 5895-01-174-5292
NSN 6620-01-058-6308