Captain O-Ring - ORB BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit): Amazon.com: Industrial & Scientific
141 pieces Flat Washers, Seal Ring Seal, O-Ring Hydraulic Seal Kit Assortment Rubber Washer Different Size for Tap: Amazon.com: Industrial & Scientific
141Pcs Flat Rubber O-Ring Seal Hose Gasket Rubber Washer for Faucet - Walmart.com
FLAT-FACE-O-RINGS - Hercules for o-rings, hydraulic seals, cylinders