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 5855-00-149-0766
NSN 5999-01-401-5322
NSN 6145-01-130-5416
NSN 6220-00-519-0751
NSN 6150-01-502-7774
NSN 5910-01-422-2324
NSN 2925-01-209-9245
NSN 5925-01-364-0771
NSN 6685-01-263-8211
NSN 5985-01-601-6032
NSN 7035-01-014-3808
NSN 5855-00-987-1171