Part Number: 118831 (No description) Part Number: 11883-105 (Elbow assembly) Part Number: 11883206 (Nut) Part Number: 118832-1 (Spring) Part Number: 118833-11 (Bushing) Part Number: 1188333NR1 (No description) Part Number: 118833800 (Ne) Part Number: 1188339 (Ne) Part Number: 11883-3L13 (Screw) Part Number: 118834-001-CFI (Component) Part Number: 1188342 (Gasket) Part Number: 118834-41 (Crew mask stowage) Part Number: 118834-42 (Crew oxy stowage box) Part Number: 11883-4L21 (Screw,close toleran)