Part Number: 16WELO-S (Elbow, bulkhead)Part Number: 28962-01 (Elbow, bulkhead)Part Number: 37B200305P101 (Elbow, bulkhead)Part Number: AS4130J0404 (Elbow, bulkhead)Part Number: AS4132J0404 (Elbow, bulkhead)Part Number: FS2701-16-16-FG (Elbow, bulkhead)Part Number: FS2701-20-20-FG (Elbow, bulkhead)Part Number: MS21908V4P (Elbow, bulkhead)