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 5855-01-642-1552
NSN 5855-01-413-3352
NSN 6620-00-779-5859
NSN 6150-01-093-5044
NSN 6645-00-372-2618
NSN 5985-01-319-8319
NSN 6220-00-958-1218
NSN 5945-01-029-2516
NSN 5985-01-281-6990
NSN 6105-01-430-2346
NSN 5996-01-351-6181
NSN 5965-00-784-7635