| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-310 | N8-90-310, 310 BACKUP RING, NITRILE 90 DURO BLACK, 1/2 ID X 7/8 OD X 3/16 |
| | GLOBAL O-RING | GOR V8-90-310 | V8-90-310, 310 BACKUP RING, VITON 90 DURO BLACK, 1/2 ID X 7/8 OD X 3/16 CS |
| Inside Diameter | 0.513 in |
| Manufacturer | GLOBAL O-RING |
