This nut has yellow zinc finish, so it has yeoow on it
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 5920-01-466-4500
NSN 7035-01-422-5297
NSN 6240-00-865-3257
NSN 6135-00-170-8819
NSN 6110-00-426-6778
NSN 6130-01-081-2763
NSN 5895-01-096-0257
NSN 6110-00-314-0377
NSN 6650-01-593-3671
NSN 5925-01-208-4754
NSN 6610-00-021-2259
NSN 6685-01-489-0720