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 6240-01-287-6785
NSN 4140-01-049-3977
NSN 6685-00-476-9644
NSN 6130-00-018-7140
NSN 2925-01-196-2904
NSN 5905-00-111-3618
NSN 5920-00-053-5818
NSN 6645-01-220-7490
NSN 5985-00-892-5884
NSN 6685-01-463-8461
NSN 5930-00-226-4228
NSN 5930-01-206-4626