Metaspec manufactures test specimens used in quality and conformance testing by Military Specification MIL-DTL-5020, which covers a type of aircraft compass liquid. This liquid is a refined fraction of crude petroleum, intended for use in fluid-filled aircraft magnetic compasses. It is identified by US military symbol FDC and NATO Code S-712.
The following test is required by Specification MIL-DTL-5020. 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 MIL-L-5020.