Quick view Add to Cart Illustrated Parts Breakdown for Variable Pitch Aircraft Propeller Model No. 54H60-63, 54H60-91 Document Part Number: T.O. No. 3H1-18-4 Number of pages: 8Part Number: T.O. No. 3H1-18-4Revision Date: 1-July-1964 MSRP: Was: Now: $15.00