A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6240-00-539-9770
NSN 6320-01-212-8749
NSN 5855-01-414-6265
NSN 5945-01-357-7118
NSN 5985-00-006-9906
NSN 6620-00-993-5547
NSN 5945-01-322-5561
NSN 6145-01-613-6800
NSN 5996-00-734-5364
NSN 5998-01-327-4777
NSN 6645-01-265-2746
NSN 6620-01-327-3011