40680-1: CONTROL ASSEMBLY,PUSH-PULL.
An expansion vessel is a device that takes up the expansion of water in the domestic hot water system when it is heated. This prevents build up of excess pressure. The non-return valve prevents backflow of expanded hot water in to the cold water main.
This part is cataloged in the U.S. Government catalog under NSN 6130-00-481-2937, 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.
| NSN | 6130-00-481-2937 |
| OVERALL LENGTH | 6.188 INCHES NOMINAL IN |
| OVERALL WIDTH | 3.875 INCHES NOMINAL IN |
| ELECTRICAL POWER SOURCE RELATIONSHIP | OPERATING |
| END ITEM IDENTIFICATION | AN/ALR-56A/C A |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS MODIFIED BY SOURCE CONTROL DRAWING NUMBER 226527-000 |