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 6645-00-857-0410
NSN 5975-01-629-9690
NSN 5910-00-146-5774
NSN 5975-01-047-0069
NSN 5915-01-334-5996
NSN 6320-01-554-0901
NSN 5999-01-422-2065
NSN 6135-00-985-7845
NSN 5945-01-625-0708
NSN 6220-00-878-4802
NSN 5985-01-377-5264
NSN 6110-00-296-0500