Washer outside diameter: 1.125 inch nom., height: 0.688 inch nom., washer thickness: 0.312 inch nom.
A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5945-00-286-4668
NSN 6240-01-052-2488
NSN 6685-01-139-3529
NSN 6105-01-026-0165
NSN 5920-01-549-3536
NSN 5905-01-464-0561
NSN 5975-00-290-4285
NSN 5925-01-353-5350
NSN 5975-01-275-2767
NSN 4140-01-224-5417
NSN 5910-01-448-5734
NSN 5985-01-540-2736