A nut, flat on top and bottom, having 4 flat sides. 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: Nuts of iron or steel
NSN 5999-01-553-7865
NSN 5935-01-279-9147
NSN 5920-01-081-1267
NSN 4140-00-919-9598
NSN 6145-01-043-8139
NSN 6650-01-212-3964
NSN 6220-00-414-7528
NSN 6145-00-686-8651
NSN 6685-01-476-4867
NSN 5905-01-482-9149
NSN 6685-01-071-7848
NSN 5905-01-611-8892