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 6150-00-526-3720
NSN 6320-00-779-5923
NSN 7035-01-494-1161
NSN 6150-01-476-9979
NSN 5945-00-937-3261
NSN 6145-01-217-4749
NSN 7035-01-180-6852
NSN 6130-01-437-6668
NSN 6135-01-418-4156
NSN 6645-01-560-0738
NSN 5960-01-124-0182
NSN 5855-01-380-9669