The BB57S490ALT.DPC167 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-216-7614, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| Part Number | BB57S490ALT.DPC167 |
| NSN | 4310-00-216-7614 |
| CHAMFER ANGLE IN DEG | 30.0 |
| BOTTOM INSIDE CHAMFER | INCLUDED |
| FLANGE THICKNESS | 0.625 INCHES NOMINAL IN |
| BODY OUTSIDE DIAMETER | 8.500 INCHES NOMINAL IN |
| STYLE DESIGNATOR | DRY, FLANGED, RELIEVED |
| OVERALL LENGTH | 8.938 INCHES NOMINAL IN |
| BOTTOM CHAMFER ANGLE IN DEG | 30.0 |
| TOP INTAKE PORT | NOT INCLUDED |
| CHAMFER LENGTH | 0.312 INCHES NOMINAL IN |
| BORE DIAMETER | 8.125 INCHES NOMINAL IN |