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 6240-01-569-0981
NSN 7035-01-033-3007
NSN 5960-01-182-3676
NSN 5996-00-553-7348
NSN 5965-01-428-3348
NSN 6645-01-354-5589
NSN 5950-01-209-3752
NSN 5905-00-197-0753
NSN 6145-01-250-2006
NSN 5975-00-701-8061
NSN 6610-01-455-4977
NSN 5985-01-369-2038