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 6220-00-528-7752
NSN 6620-01-266-8894
NSN 6610-00-150-7002
NSN 5930-01-593-7709
NSN 5965-01-431-4209
NSN 6135-01-598-9889
NSN 5925-01-212-1492
NSN 5835-01-501-0526
NSN 6620-00-155-2608
NSN 5985-00-661-2263
NSN 5915-01-412-0572
NSN 5920-01-594-6994