TT-P-615D, FEDERAL SPECIFICATION, PRIMER COATING: BASIC LEAD SILICO CHROMATE, READY MIXED (23 JAN 1967)

TT-P-615D, FEDERAL SPECIFICATION, PRIMER COATING: BASIC LEAD SILICO CHROMATE, READY MIXED (23 JAN 1967)., This specification covers basic lead silico chromate base, readymixed primer for use on iron and steel surfaces.