B31-3 × 2 1/2-316L-PL

أ: 139.70
OD/ID xt: 76.20/72.90 × 1.65
OD1/ID1 × t1: 76.20/72.90 × 1.65
OD2/ID2 × t2: 63.50/60.20 x 1.65
OD2: 63.5