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 6620-01-631-8889
NSN 6105-00-265-7545
NSN 6650-01-514-9139
NSN 5965-00-568-5802
NSN 5960-01-530-0581
NSN 5975-01-578-9517
NSN 6105-00-403-8835
NSN 5925-01-207-0910
NSN 5996-01-476-7550
NSN 5855-01-605-2438
NSN 7035-00-064-7008
NSN 5975-01-064-0370