Model# 51B06, 1” npt. KM6018-8, A910096 NPT., 816BC-1/2”;Kaydon Flow Switch JU 047 XPO JU 050 XPO JU 065 XPO J16008XP0 replaced by K16008 XPO J13008XP0 K16008 XPO K13008 XPO KA 047 XPO KA 050 XPO KA 065 XPO KG 090 BROK KC 040 ARO A910202 obsolete, replaced by K2100 ;"ELEMENT; COALESCER"