I/GR 0280 I/GR-1000-B-55/4470 I/GR-1600-B-55/4470 I/GT 140-145 I/GT 28/32X4, 2; I-DWR100-3-12.8 OR 140 OR 181 OR 621 OR 8500 OR180-3.5 OR-357 + PBK OR-450 + BRS OR-684 O-RING ORING 180X3, 53;