| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | GLOBAL O-RING | GOR N8-90-439 | N8-90-439, 439 BACKUP RING, NITRILE 90 DURO BLACK, 6-1/2 ID X 7 OD X 1/4 C |
| | GLOBAL O-RING | GOR V8-90-439 | V8-90-439, 439 BACKUP RING, VITON 90 DURO BLACK, 6-1/2 ID X 7 OD X 1/4 CS |
| Inside Diameter | 6.525 in |
| Manufacturer | GLOBAL O-RING |
