Grade 8
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 5985-01-342-3774
NSN 5985-00-686-5840
NSN 6220-01-166-3348
NSN 5905-01-214-6121
NSN 5998-00-100-0162
NSN 6145-01-612-7039
NSN 5930-01-594-3694
NSN 6110-01-235-2913
NSN 6135-00-284-1406
NSN 6130-00-274-8411
NSN 6135-00-519-1325
NSN 6130-01-389-5850