This SAE Standard establishes the requirements for lubricating oils containing ashless dispersant additives to be used in four-stroke cycle, reciprocating piston aircraft engines. This document covers the same lubricating oil requirements as the former military specification MIL-L-22851. Users should consult their airframe or engine manufacturers manuals for the latest listing of acceptable lubricants.

Classification

Commercial Products

Commercial products sold under this document must meet all of the requirements of Sections 3 and 4 of this document with the following exceptions:

a. Qualification samples and test results do not have to be submitted to the Naval Air Systems Command (NAVAIR), but must be retained by the manufacturer for a period of at least three years.

b. Individual products acceptance lists for commercial aviation piston engine oils will be maintained by each of the original aircraft engine manufacturers.

c. The detailed sampling and inspection procedural requirements of 4.4.2.2 through 4.4.3.2 do not apply.

d. Commercial products do not have to meet the packaging requirements of Section 5.

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