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 5975-01-245-4804
NSN 2925-01-236-3547
NSN 6150-01-644-3268
NSN 5999-00-860-9642
NSN 6320-01-277-5793
NSN 4140-01-572-7693
NSN 5915-00-543-0553
NSN 5915-01-504-6581
NSN 5835-01-250-2939
NSN 5915-01-133-3683
NSN 5930-01-013-1223
NSN 6650-01-121-6904