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 6110-00-557-8631
NSN 6320-00-731-6134
NSN 5930-01-439-6155
NSN 6610-01-204-9146
NSN 5925-01-080-0741
NSN 6645-01-197-9090
NSN 5935-00-451-8843
NSN 5996-01-168-2746
NSN 6220-01-473-2116
NSN 6320-00-116-3658
NSN 6105-00-617-5490
NSN 6620-01-367-0844