Barrel Seal - Flat O-Ring - 80657 -- Abnox-Wanner Grease Pump Part – Global Tooling & Supply
141 pieces Flat Washers, Seal Ring Seal, O-Ring Hydraulic Seal Kit Assortment Rubber Washer Different Size for Tap: Amazon.com: Industrial & Scientific
O-RING FACE SEAL(FLAT FACE) O-RING KIT - Ferry Hydraulics Inc.