Quick view Add to Cart Improved Adapter Stop Assembly on Aeroproducts Propeller A422-E1 and A422-E2 Document Part Number: T.O. No. 3H3-3-504 Number of pages: 1Part Number: T.O. No. 3H3-3-504Revision Date: 15-Dec-1955 MSRP: Was: Now: $15.00