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 5996-01-646-9939
NSN 4140-01-273-4891
NSN 5965-01-512-1985
NSN 6145-01-350-3532
NSN 5910-01-511-4015
NSN 6620-01-397-8683
NSN 6130-01-624-5915
NSN 6135-01-142-2417
NSN 5999-00-902-9052
NSN 5915-01-258-4911
NSN 5895-00-248-7477
NSN 6610-00-100-1195