Backup Seal Sleeve is a direct replacement for B-1002-2 and 100018-1
Retaining Screw is a direct replacement for 004380-1 and 100056-1. This is also included in the 015866-1
High-pressure End Cap is a direct replacement for 321276-1 and 301004-1
Bronze Seal Backup is a direct replacement for B-1465-1 and 100021-1. This is also included in the 001198-1
Bleed-down Valve Body is a direct replacement for 001822-1 and 100133-1