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 5905-01-491-7251
NSN 5910-00-253-0155
NSN 5910-01-165-9900
NSN 5915-01-381-5267
NSN 5999-01-645-2958
NSN 6650-00-520-5785
NSN 5925-00-168-1459
NSN 5925-01-604-8595
NSN 6240-01-450-0873
NSN 5998-01-630-2250
NSN 5925-01-520-8091
NSN 5975-01-547-5170