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 6150-00-138-6026
NSN 6145-01-619-1570
NSN 6320-01-562-1599
NSN 5999-01-055-5243
NSN 5945-01-304-4375
NSN 5990-01-390-2177
NSN 6145-01-130-5416
NSN 6150-00-602-7812
NSN 7035-01-055-6413
NSN 5855-01-158-2709
NSN 5945-01-493-7474
NSN 5930-00-405-9203