- Korean War
- United States Air Force (USAF)
- P-51D - 8,102 were built (280 were used by the RAF with name of Mustang Mk IV
- P-51K - Dallas-built P-51D equipped with Aeroproducts propeller in place of the Hamilton Standard propeller (P-51D). 1,500 were built. (594 was used by RAF with name of Mustang Mk IVA
- F-6D - photo reconnaissance version. 283 were converted. Later redesignated RF-51D
- F-51D - Redesignation of all P-51D in 1947 in the U.S. Air Force. Hamilton Standard propeller blade with a square tip
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