UN: 1.31
B: 50.8
Diametro esterno/interno: 50.80/47.50 x 1.65
OD1/ID1 x t1: 50.80/47.50 x 1.65
B: 50.8
Diametro esterno/interno: 50.80/47.50 x 1.65
OD1/ID1 x t1: 50.80/47.50 x 1.65