| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-344 | N8-90-344, 344 BACKUP RING, NITRILE 90 DURO BLACK, 3-7/8 ID X 4-1/4 OD X 3 |
| | GLOBAL O-RING | GOR V8-90-344 | V8-90-344, 344 BACKUP RING, VITON 90 DURO BLACK, 3-7/8 ID X 4-1/4 OD X 3/1 |
| Inside Diameter | 3.898 in |
| Manufacturer | GLOBAL O-RING |
