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 5990-01-570-5471
NSN 6110-00-758-2051
NSN 6220-01-152-2637
NSN 7035-00-173-2281
NSN 5999-01-194-7474
NSN 6135-00-128-1633
NSN 5905-00-204-9861
NSN 6685-00-763-1056
NSN 5990-01-351-4621
NSN 6135-00-299-6918
NSN 5915-01-498-4940
NSN 5835-00-170-5238