SEAL KIT NO.12 ELASTOMER MATERIAL EPT, SEAT INSERT MATERIAL Tungsten Carbide. USED ON Series 100, HV, 2", PR, 21/2", LD-3, HD-3, PD-35, PD-37, 60 “AA”, 1522, Obs. 1", Obs. 11/4", Obs. 11/2", Obs. 2", Obs. HVUsed On:179X11 Series 90 1-/2AA All Bronze 1/2 Seal179X13 Series 90 2AA Bronze Fitted 1/2 Seal179X15 Series 90 2AA All Bronze 1/2 Seal179XX1 Series 90 1AA Bronze Fitted 1/2 Seal179XX3 Series 90 1AA All Bronze 1/2 Seal179XX5 Series 90 1-1/4AA Bronze Fitted 1/2 IN.179XX7 Series 90 1-/4AA All Bronze 1/2 Seal179XX9 Series 90 1-1/2AA Bronze Fitted 1/2 IN.P10316 Bearing Assembly (w/ EPT Seal)SEALK1 Seal Kit Selections185355 Bearing Assembly SM. (EPT w/ CU SLV.)185358 Bearing Assembly SM. (EPT w/ STN.STL. SLV.)Replaces P/N #12Click Here for more information