Mil-Spec, Standard, SAE, Large Outside Diameter, USS
Nylon, Phenolic Resin, Brass, Steel, Alloy Steel
2 1/2", 2 3/16", 1 37/64", 15/16", 3 1/2"
1.281", 0.313", 0.75", 0.875", 1.125"
1.01 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1 mm, 1.08 mm
ASME B18.8.1, ASME B18.22.1 ASTM
F844, ASME B18.22.1
ASTM F844, BS 3410, BS2870 CZ108