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 6220-01-470-6573
NSN 6620-00-506-0112
NSN 6685-01-004-9356
NSN 4140-01-010-2592
NSN 5910-01-598-8298
NSN 5975-00-469-9238
NSN 5990-01-292-2369
NSN 5920-00-298-0700
NSN 5910-01-463-3154
NSN 5945-01-452-1814
NSN 6130-00-780-3043
NSN 6135-00-871-3646