Metaspec manufactures test specimens used in quality and conformance testing by Military Specification MIL-PRF-53074, which covers mineral lubricating oils used in steam engine cylinders. These lubricating oils are identified by Military Symbol 5190 (NATO Code 0-258) and Military Symbol 5230.
The following test is required by Specification MIL-PRF-53074. Click on the test method number for more information about the specimens required for this test.
To read or download this specification, click below. This specification supersedes military specification MIL-L-53074.
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