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 5998-00-158-3192
NSN 4140-01-006-7426
NSN 5920-01-141-6885
NSN 6130-00-235-1000
NSN 5999-00-617-2924
NSN 5950-01-598-4441
NSN 6645-00-570-8472
NSN 6645-01-485-9241
NSN 5990-00-483-0482
NSN 5965-01-656-7557
NSN 2925-01-088-3612
NSN 5996-01-027-1342