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 6650-01-543-3349
NSN 6610-01-531-9505
NSN 6240-01-327-3239
NSN 5990-01-453-3552
NSN 6105-01-088-9088
NSN 6650-01-378-5918
NSN 5975-01-114-3410
NSN 5990-00-752-2126
NSN 5950-00-022-9976
NSN 5985-01-053-4164
NSN 5915-01-511-8384
NSN 5915-01-180-2870