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 4140-01-371-1565
NSN 6130-00-859-8799
NSN 6320-01-381-7023
NSN 6620-00-420-1061
NSN 4140-01-310-8608
NSN 6650-01-047-5925
NSN 5855-01-286-9928
NSN 5999-00-477-6594
NSN 5975-00-967-1270
NSN 5950-00-070-3073
NSN 6320-00-593-0379
NSN 6130-01-648-0663