Part Number: 055276 (O-ring) Part Number: 055277 (O-ring) Part Number: 055-27775 (Vertical speed indicator) Part Number: 055-27788 (Vertical speed indicator) Part Number: 055278 (Restrictor, fluid flow) Part Number: 05528 (61500141736) Part Number: 05-52806-24-05 (Switch unit assy) Part Number: 055281 (Ring,wiper) Part Number: 0552821 (Pad,rubber) Part Number: 05-52839-02 (No description) Part Number: 055285 (Gasket) Part Number: 05-52892-3090 (No description) Part Number: 05529 (61500141819) Part Number: 055291 (Clamp)