Piper helped develop the military plastisol coating specification in the 1960s. That spec., MIL-P-20689, has been superseded by A-A-59464. Piper has been performing these coating services since its inception in 1963.
Various Military Items coated to Mil Spec. A-A-59464 (formerly MIL-P-20689) by Piper Plastics Corp.