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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5990-00-467-7431
NSN 6220-01-251-6774
NSN 6110-01-534-3881
NSN 6110-01-031-5867
NSN 5996-01-614-6669
NSN 2925-01-567-8027
NSN 6135-00-057-2005
NSN 2925-01-251-2989
NSN 4140-01-110-1980
NSN 6645-01-202-7986
NSN 5985-00-301-3814
NSN 5915-00-593-5998