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 5905-01-633-6640
NSN 5990-00-116-6590
NSN 6145-01-140-0724
NSN 6645-01-425-2330
NSN 6150-00-987-0877
NSN 4140-01-123-9149
NSN 5835-00-632-8621
NSN 5910-01-349-0825
NSN 6620-00-538-8746
NSN 6220-00-705-5254
NSN 5975-01-356-1365
NSN 6150-00-493-5098