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 6645-01-579-6304
NSN 5920-01-590-7170
NSN 6645-01-309-6455
NSN 5855-01-119-3316
NSN 6220-01-065-8544
NSN 5835-01-390-0880
NSN 6645-01-519-3007
NSN 7035-01-555-8793
NSN 6105-00-585-4634
NSN 5925-01-412-8210
NSN 5935-01-227-0137
NSN 5985-01-284-1556