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 6650-00-925-8421
NSN 2925-01-197-7864
NSN 5915-00-082-1286
NSN 6150-00-583-9878
NSN 2925-01-359-4027
NSN 7035-01-377-6255
NSN 6105-00-949-8629
NSN 5999-00-966-1104
NSN 6105-00-299-0673
NSN 6650-01-450-9767
NSN 6685-01-243-1265
NSN 7035-01-300-1599