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 4140-01-285-0266
NSN 5975-00-054-6321
NSN 5990-01-324-7529
NSN 5985-01-475-1467
NSN 5975-01-511-4075
NSN 5920-01-230-4480
NSN 7035-00-902-8995
NSN 5965-01-367-6483
NSN 5910-00-156-7293
NSN 5960-01-043-4064
NSN 5975-01-297-4975
NSN 5985-01-392-1473