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 6645-00-108-6479
NSN 5855-00-821-7512
NSN 6620-00-523-4973
NSN 5910-00-318-8766
NSN 2925-00-127-7828
NSN 6685-01-569-7986
NSN 2925-00-605-8520
NSN 6645-01-137-3174
NSN 4140-01-149-4803
NSN 6220-01-437-5659
NSN 6685-00-056-5404
NSN 5950-01-311-8757