| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-277 | N8-90-277, 277 BACKUP RING, NITRILE 90 DURO BLACK, 11-1/2 ID X 11-3/4 OD X |
| | GLOBAL O-RING | GOR V8-90-277 | V8-90-277, 277 BACKUP RING, VITON 90 DURO BLACK, 11-1/2 ID X 11-3/4 OD X 1 |
| Inside Diameter | 11.518 in |
| Manufacturer | GLOBAL O-RING |
