NANIWA.FEWV.050 O-RING NANIWA.FEWV.051 O-RING NANIWA.FEWV.101 SHAFT – STAINLESS STEEL; AISI 316 NANIWA.FEWV.204 BEARING METAL – SPECIAL BRONZE (FOR MODEL : FEWV-350) NANIWA.FEWV.520 MECHANICAL SEAL