TT-I-1795A, FEDERAL SPECIFICATION: INK, MARKING, STENCIL, OPAQUE (POROUS & NON POROUS SURFACES) (30-MAR-1973) [S/S BY A-A-208]
TT-I-1795A, FEDERAL SPECIFICATION: INK, MARKING, STENCIL, OPAQUE (POROUS & NON POROUS SURFACES) (30-MAR-1973) [S/S BY A-A-208]., This specification covers three types of opaque stencil ink for marking porous and non-porous surfaces (see 6.1).