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 6620-00-922-1099
NSN 5996-01-207-0804
NSN 5975-01-386-6892
NSN 6320-00-908-6841
NSN 5855-01-459-9254
NSN 5855-01-141-5190
NSN 5920-00-192-6565
NSN 7035-00-361-5975
NSN 6610-01-169-1197
NSN 5950-01-580-8893
NSN 5996-01-214-6575
NSN 5950-00-167-1701