Fuel and Lubricant Testing


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MIL-PRF-21260E - Internal Combustion Engine Preservative Break-In Lubricating Oil


We perform lubricants testing by military specification MIL-PRF-21260, which covers engine oils used in spark-ignition and compression-ignition type engines. These engine oils are suitable for preservation, break-in, and lubrication of reciprocating internal combustion engines of both spark-ignition and compression-ignition types, and of power transmission fluid applications in equipment used in combat/tactical service.

To read or download this specification, click HERE. This specification supersedes military specification MIL-L-21260.

The following is a list of tests required by Specification MIL-PRF-21260E. Some of these tests are customized for this exact specification. Alcor Petrolab and Phoenix Chemical Laboratory specialize in unusual and custom testing, and our testing capabilities are continuing to expand; contact one of our laboratories today to discuss the exact testing you need. To see more information about one of these tests, click on the test method number.