MIL-I-25135D, MILITARY SPECIFICATION: INSPECTION MATERIALS, PENETRANTS (29 JUN 1984) [S/S BY SAE-AMS2644]
MIL-I-25135D, MILITARY SPECIFICATION: INSPECTION MATERIALS, PENETRANTS (29 JUN 1984) [S/S BY SAE-AMS2644]., This specification covers materials used in the liquid penetrant inspection of metal and nonporous, nonmetal parts for material discontinuities open to the surface.