MIL-DTL-17111 §188.8.131.52.2 Copper Coils
Copper coils used in testing by military specification MIL-DTL-17111 §184.108.40.206.2 (Corrosion & Oxidation - 72 hour test). This test requires two copper coils of 12-16 gauge wire with slightly different diameters. The coils are polished per MIL-DTL-17111. The two coils are inserted in a test tube (one coil inside the other) and then immersed in the hydraulic fluid for testing. Customized test specimens for modified versions of this test method are available on request.