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 5895-00-198-5537
NSN 6110-01-398-1507
NSN 5960-00-933-0262
NSN 5930-01-585-4640
NSN 6685-01-020-7235
NSN 5999-00-439-0874
NSN 6145-00-291-5388
NSN 6220-00-242-1492
NSN 6240-00-304-7015
NSN 6240-00-947-4719
NSN 6150-00-420-8613
NSN 6645-01-246-2725