MIL-PRF-81309 §4.6.11 Functional Penetration Test Panels
Aluminum test panels used in MIL-PRF-81309 §4.6.11 (Functional Penetration). Each test panel is 3" x 8" x 1/8", with 6 holes as shown in Figure 6. The panels are made from 7075 aluminum. Metaspec provides these test panels with either a premium as rolled surface finish or with MIL-DTL-5541 chemical conversion (not primed or painted). Customized test panels are available on request.