This specification covers an aluminum alloy in the form of die forgings up to 4 inches, incl (102 mm, incl) in thickness, and hand forgings up to 6 inches, incl (152 mm, incl) in thickness (see 8.6).
Rationale: AMS4147F results from a Five-Year Review and update of this specification. This standard is being reviewed as part of the SAE Five-Year Review policy. The committee will look at possible changes to ordering information and other potential updates throughout the standard.
