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 6650-01-137-3278
NSN 6645-00-559-3623
NSN 6220-01-566-0573
NSN 5925-00-316-5312
NSN 5915-01-078-4948
NSN 5960-01-215-0992
NSN 6150-00-703-8360
NSN 5920-01-554-1310
NSN 5905-01-611-5383
NSN 5920-01-472-6923
NSN 5999-01-140-7124
NSN 5960-00-109-2806