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 6150-01-538-1663
NSN 6130-01-487-3758
NSN 2925-00-730-3115
NSN 6650-00-342-6447
NSN 6150-01-537-0575
NSN 6220-00-676-0904
NSN 5945-01-033-2416
NSN 6145-00-010-1425
NSN 7035-00-104-7613
NSN 5855-00-436-3852
NSN 7035-01-454-3284
NSN 6320-00-089-9425