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 5950-01-258-5819
NSN 6130-00-151-5001
NSN 5910-00-921-5616
NSN 6105-00-887-0454
NSN 5990-01-278-9985
NSN 5965-01-546-7604
NSN 5985-00-228-3275
NSN 5996-00-775-2230
NSN 6320-01-382-9676
NSN 6610-00-168-2200
NSN 6610-01-170-2905
NSN 5925-01-386-3178