Quick view Add to Cart Supplement Illustrated Parts Breakdown for Variable Pitch Aircraft Propeller Model No. 2B20-329, 2D30-237, 2D30-301, 12D40-305 Document Part Number: T.O. No. 3H4-2-4C Number of pages: 2Part Number: T.O. No. 3H4-2-4CRevision Date: 9-Sept-1964 MSRP: Was: Now: $15.00