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 5975-01-550-9655
NSN 6130-00-202-4688
NSN 6320-00-546-9249
NSN 4140-01-531-7375
NSN 2925-01-196-6187
NSN 5965-00-925-1725
NSN 6130-00-371-8337
NSN 4140-00-551-3151
NSN 5915-01-319-4514
NSN 6135-00-377-9165
NSN 5985-00-155-5991
NSN 6645-01-556-5263