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 7035-01-562-0297
NSN 6145-01-173-1818
NSN 5965-01-647-4195
NSN 6135-01-168-2944
NSN 5998-00-982-5907
NSN 5975-00-810-6394
NSN 4140-01-029-2814
NSN 6220-01-215-2179
NSN 5905-01-224-8493
NSN 6130-01-476-5388
NSN 5925-01-627-5810
NSN 5945-01-429-7567