Fuel and Lubricant Testing


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MIL-DTL-53131A - Precision Rolling Element Bearing Lubricating Oil Specification

We perform lubricants testing by military specification MIL-DTL-53131, which covers a lubricating oil used in precision bearings. The grades of synthetic hydrocarbon lubricating oil covered in this specification are known as Grade 4, Grade 6, Grade 9, Grade 14, and Grade 40, and are classified according to their viscosity properties. These lubricating oils are intended for use in the precision bearings of inertial guidance gyros, accelerometers, and other suitable instrument bearing applications.

To read or download this specification, click HERE. This specification supersedes military specification MIL-L-53131.

The following is a list of tests that we perform according to Specification MIL-DTL-53131A. To learn more about one of these tests, click on the test method number.