USS, Standard, Beveled, Large Outside Diameter, SAE
Steel, Phenolic Resin, Brass, Alloy Steel, Titanium
18 mm, 2 3/16", 1 37/64", 13/16", 15/16"
0.25", 0.563", 0.625", 0.875", 1.125"
NL-19, Armor Coat, Zinc Yellow, Plain, Black Oxide
6.5 mm, 3/16", 3/32", 0.35 mm, 7/64"