MIL-DTL-87177 §4.5.1 Dryness Test Specimens
Test specimens used in testing by military specification MIL-DTL-87177 §4.5.1 (Dryness Test). These test specimens are made with 1020 steel and are 2-1/8" in diameter and 1/16" thick. This test requires three test specimens. Each test specimen is surface ground and polished 240 grit AO.