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 6620-01-272-4746
NSN 5855-00-318-7185
NSN 6105-00-181-9556
NSN 6685-00-416-8892
NSN 5945-01-484-1184
NSN 2925-01-187-5480
NSN 5930-00-548-5967
NSN 5905-01-396-1078
NSN 5945-01-191-0108
NSN 5985-01-152-6754
NSN 5950-01-572-5670
NSN 6130-01-220-0588