MIL-P-5425D, MILITARY SPECIFICATION: PLASTIC SHEET, ACRYLIC, HEAT RESISTANT (06 JUN 1967) [S/S BY MIL-PRF-5425E]

MIL-P-5425D, MILITARY SPECIFICATION: PLASTIC SHEET, ACRYLIC, HEAT RESISTANT (06 JUN 1967) [S/S BY MIL-PRF-5425E]., This specification covers optical quality, transparent, heat-resistant, cast acrylic plastic materials.