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 5990-01-493-4039
NSN 6645-01-400-2119
NSN 6610-01-383-6982
NSN 5990-00-229-4647
NSN 5975-01-229-7155
NSN 6650-00-299-9681
NSN 6130-00-402-2179
NSN 6150-01-073-5819
NSN 5915-01-096-6264
NSN 5990-00-254-4825
NSN 5855-01-357-6877
NSN 5910-01-020-6433