Metaspec manufactures test specimens used in conformance testing by specification MIL-PRF-17331, which covers lubricating oil used in turbines, gears, air compressors, and hydraulic equipment. This lubricating oil is identified by Military Symbol 2190 TEP and NATO Code No. O-250.
The following is a list of tests in Specification MIL-PRF-17331 that require test specimens. Some of these tests may be customized for this specification. Click on the test method number for more information about specimens required for each test.
To read or download this specification, click below. This specification supersedes military specification MIL-L-17331.