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 6620-01-599-2011
NSN 6650-00-782-4624
NSN 5975-01-632-1773
NSN 5930-01-512-2009
NSN 6145-01-327-3328
NSN 5965-00-499-8229
NSN 6320-01-271-0247
NSN 6645-00-017-8252
NSN 6685-01-301-4506
NSN 6650-01-396-8890
NSN 2925-01-167-6500
NSN 6130-01-020-5754