Part Number: 14-52507-3 (Adapter check valve)Part Number: 41A17000-001 (Adapter check valve)Part Number: 41B39000-001 (Adapter check valve)Part Number: 41B78000-001 (Adapter check valve)Part Number: 74A831172-2003 (Adapter check valve)Part Number: 7AD740324-1001 (Adapter check valve)Part Number: R-TBD-502 (Adapter check valve)Part Number: R-TBD-517 (Adapter check valve)Part Number: R-TBD-651 (Adapter check valve)Part Number: R-TBD-660 (Adapter check valve)Part Number: R-TBD-661 (Adapter check valve)Part Number: R-TBD-780 (Adapter check valve)