Mil-Spec, Large Outside Diameter, SAE, USS, Standard
Phenolic Resin, PEEK, Brass, Titanium, Nylon
40 mm, 45 mm, 19 mm, 3 3/4", 18 mm
0.41", 1.625", 1.563", 0.391", 1.313"
2.5 mm, 0.9 mm, 1.8 mm, 0.28 mm, 1.2 mm
ASME B18.21.1, BS 4320, DIN 7603A, BS 4320B, DIN 125A