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 5999-00-081-8621
NSN 5930-00-899-3740
NSN 6220-00-069-5239
NSN 6145-00-895-6548
NSN 6320-01-006-6138
NSN 6645-01-579-4247
NSN 6610-01-534-8075
NSN 5965-01-509-3841
NSN 4140-00-277-6285
NSN 5855-01-167-2162
NSN 5990-00-935-5610
NSN 6150-01-089-6764