| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-440 | N8-90-440, 440 BACKUP RING, NITRILE 90 DURO BLACK, 6-3/4 ID X 7-1/4 OD X 1 |
| | GLOBAL O-RING | GOR V8-90-440 | V8-90-440, 440 BACKUP RING, VITON 90 DURO BLACK, 6-3/4 ID X 7-1/4 OD X 1/4 |
| Inside Diameter | 6.774 in |
| Manufacturer | GLOBAL O-RING |
