Quick view Add to Cart Model 22D Propeller Dome Shells, Ref 576 Document Part Number: No. 129 Number of pages: 2Part Number: No. 129Revision Date: 31-July-1947Description: Ref 577 - Fixed Cam Rework, Ref 578 - New Pilot Valve Nut, Ref 579 - Ratings for Steel Blades with Electric De-Icing MSRP: Was: Now: $15.00