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 6620-00-343-8229
NSN 6240-01-096-4572
NSN 5998-01-271-1768
NSN 5905-01-123-5187
NSN 5996-01-202-9338
NSN 6150-00-230-1745
NSN 5920-00-153-9150
NSN 5915-00-058-5883
NSN 5925-01-633-5379
NSN 5905-01-389-1899
NSN 6135-00-519-1325
NSN 7035-00-286-6221