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 6620-01-221-9296
NSN 6240-01-281-7249
NSN 6320-00-450-7014
NSN 5925-00-787-7206
NSN 5905-01-585-6700
NSN 5975-00-074-1738
NSN 6240-01-533-6303
NSN 5920-00-786-8241
NSN 6135-01-430-3119
NSN 5925-01-142-4479
NSN 5999-00-431-5472
NSN 5990-01-292-2369