| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-044 | N8-90-044, 044 BACKUP RING, NITRILE 90 DURO BLACK, 3-3/4 ID X 3-7/8 OD X 1 |
| | GLOBAL O-RING | GOR N8-90-154 | N8-90-154, 154 BACKUP RING, NITRILE 90 DURO BLACK, 3-3/4 ID X 3-15/16 OD X |
| | GLOBAL O-RING | GOR V8-90-044 | V8-90-044, 044 BACKUP RING, VITON 90 DURO BLACK, 3-3/4 ID X 3-7/8 OD X 1/1 |
| | GLOBAL O-RING | GOR V8-90-154 | V8-90-154, 154 BACKUP RING, VITON 90 DURO BLACK, 3-3/4 ID X 3-15/16 OD X 3 |
| Inside Diameter | 3.768 in |
| Manufacturer | GLOBAL O-RING |
