TT-E-527D, FEDERAL SPECIFICATION: ENAMEL, ALKYD, LUSTERLESS, LOW VOC CONTENT (06 JUN 1988) [NO S/S DOCUMENT]., This specification covers one type of an air-drying, lusterless, alkyd enamel for use on primed exterior and interior metal and wood surfaces. The enamel is lead and chromate free and meets air pollution requirements for solvent emissions.