| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-166 | N8-90-166, 166 BACKUP RING, NITRILE 90 DURO BLACK, 6-3/4 ID X 6-15/16 OD X |
| | GLOBAL O-RING | GOR N8-90-261 | N8-90-261, 261 BACKUP RING, NITRILE 90 DURO BLACK, 6-3/4 ID X 7 OD X 1/8 C |
| | GLOBAL O-RING | GOR V8-90-166 | V8-90-166, 166 BACKUP RING, VITON 90 DURO BLACK, 6-3/4 ID X 6-15/16 OD X 3 |
| | GLOBAL O-RING | GOR V8-90-261 | V8-90-261, 261 BACKUP RING, VITON 90 DURO BLACK, 6-3/4 ID X 7 OD X 1/8 CS |
| Inside Diameter | 6.768 in |
| Manufacturer | GLOBAL O-RING |
