Win Win Waterjet 
20475874 backup ring brass for 90000psi waterjet pump
Win Win waterjet provide many kinds of waterjet parts, OEM/ODM available
| Item | Part Number | Description | Item | Part Number | Description |
| 1 | 5146592 | Gasket, Topworks Support | 14 | 72162253 | Plunger |
| 2 | 20476377 | Support, Topworks | 15 | 5130091 | Hydraulic Seal Cartridge |
| 3 | 10118206 | O-Ring, 1.31×1.56× .13 | 16 | 72175989 | Bushing Retainer Flange |
| 4 | 5144514 | Hydraulic Cylinder | 17 | 72158494 | UHP Seal Assembly |
| 5 | 5098991 | Socket Head Screw, 3/8-16×3-3/4 | 18 | 72166738 | UHP Cylinder |
| 6 | 95688743 | Lock Washer, .38 | 19 | 72163802 | Liner |
| 7 | 72101190 | Piston Assembly | 20 | 20474325 | Stud, 1-1/8-12×18.31 |
| 8 | 10074771 | O-Ring, 5.25×5.50× .13 | 21 | 72170157 | Sealing Head Assembly |
| 9 | 5120092 | Backup Ring, 5.25×5.50× .13 | 22 | 72178493 | Flange Assembly |
| 10 | 72175997 | Hydraulic Cylinder Head | 23 | 20464590 | Flat Washer, 1.13 |
| 11 | 5097886 | Socket Head Screw, 3/4-16×2-1/4 | 24 | 20461761 | Hex Nut, 1-1/8-12 |
| 12 | 5144183 | Spacer Assembly, Proximity Switch | 25 | 20489339 | Adapter, JIC/Pipe, 50× .38 |
| 5144191 | O-Ring, .69× .88× .09 | 26 | 72176756 | O-Ring, 3.88×4.25× .19 | |
| 13 | 72141569 | Kit, Proximity Switch | 95119012 | Socket Head Screw, 1/4-20×1 | |
| 72134224 | Proximity Switch |
