H-553 O-Rings (also go by part numbers H553, 5308696, P6000-C31, and A912809-0070A).
Compatible with Sloan (part number H-553 / 5308696). Compatible with Zurn (part number P6000-C31). Compatible with American Standard (part number A912809-0070A).
Fits into groove on the Flushometer tailpiece that slides into the control stop to create a water-tight seal. Recommended to replace the o-ring each time you loosen the connection to ensure a leak-proof seal.
O-Ring measures approximately 1-3/8” outside diameter.
Available in a 6-pack or a 20-pack. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!
Captain O-Ring - ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit, 12 Sizes)
SAR 230
Captain O-Ring ORS/ORFS (for Flat Face Fittings) Hydraulic O-Ring Seal Kit (Viton/FKM 90-180 Piece Kit)
SAR 298
Captain O-Ring Flange Seal (SAE Code 61/62) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-55 Piece Kit)
SAR 167
O-Ring, Buna-N, 0.042" ID x 0.050" CS/Width, -002 (50 Pack)
SAR 61
