Quick view Add to Cart Supplement Illustrated Parts Breakdown for Variable Pitch Aircraft Propeller Model No. 23E50-473, 24F60-35, 23E50- 505, 24F60-73 Document Part Number: T.O. No. 3H1-4-4C Number of pages: 2Part Number: T.O. No. 3H1-4-4CRevision Date: 8-Oct-1963 MSRP: Was: Now: $15.00