Quick view Add to Cart Overspeeding and Damage of Aluminum Blade Propellers, Ref 622 Document Part Number: No. 144 Number of pages: 2Part Number: No. 144Revision Date: 20-Feb-1948Description: Ref 623 - Governor Speeder Springs, Ref 624 - Rework for Barrel Outboard Loading Hole, Ref 625 Shuttle Valve Plungers in... MSRP: Was: Now: $15.00