FEBCO 860/880 1" COMPLETE RUBBER KIT
This kit includes:

1 O-ring
1 Seat Ring - RV
1 O-ring
1 Diaphragm
1 Seat Disc
1 Outer Diaphragm - RV
1 Seat Ring - RV
2 Slip Ring Cylinder - RV
1 Gasket Ring - RV
1 O-ring - RV
1 Lubricant gel packet