MIL-DTL-24441/34A, DETAIL SPECIFICATION SHEET: PAINT, EPOXY-POLYAMIDE, DARK GRAY RO6, FORMULA 155, TYPE IV (19 MAY 1999)., This formula covers dark gray Ro6 epoxy-polyamide paint designated Navy Formula 155, Type IV for interior or exterior use. The paint shall consist of the ingredients specified in the quantities specified.