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 6685-00-540-9017
NSN 6110-01-215-4206
NSN 6220-01-594-8773
NSN 5945-01-139-5179
NSN 6130-01-579-4861
NSN 5990-01-294-6198
NSN 6145-01-076-7258
NSN 4140-00-766-2225
NSN 6685-00-294-6315
NSN 6645-01-160-7707
NSN 5855-00-149-0766
NSN 5925-01-397-7639