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 6145-01-471-7901
NSN 7035-01-085-5955
NSN 5855-00-116-6621
NSN 5965-00-959-4910
NSN 6145-01-599-7239
NSN 4140-01-237-8569
NSN 6650-00-283-0978
NSN 5925-00-239-2135
NSN 6610-00-325-0485
NSN 6645-01-021-5727
NSN 5996-00-869-4683
NSN 6135-01-090-5365