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 6320-00-098-2858
NSN 5915-01-529-0577
NSN 4140-01-191-5935
NSN 5905-00-252-9035
NSN 6685-00-364-0821
NSN 5910-01-075-8747
NSN 6220-01-154-5436
NSN 7035-01-512-1826
NSN 6105-01-567-3217
NSN 5925-01-515-1378
NSN 5996-00-870-2190
NSN 5855-00-797-8217