Part Number: 0800400-212 (Line ay oxygen)Part Number: 1200417-108 (Line ay oxygen)Part Number: 1200417-109 (Line ay oxygen)Part Number: 1200417-110 (Line ay oxygen)Part Number: 2600102-142 (Line ay oxygen)Part Number: 2600102-143 (Line ay oxygen)Part Number: 2600102-144 (Line ay oxygen)Part Number: 2600102-145 (Line ay oxygen)