TT-I-558C, FEDERAL SPECIFICATION: INK, MARKING, STENCIL, OPAQUE, FOR NON-POROUS SURFACES (METALS, GLASS, ETC.) (14-APR-1967) [S/S BY TT-I-1795]

TT-I-558C, FEDERAL SPECIFICATION: INK, MARKING, STENCIL, OPAQUE, FOR NON-POROUS SURFACES (METALS, GLASS, ETC.) (14-APR-1967) [S/S BY TT-I-1795]., This specification covers one type and one grade of stencil ink for marking nonporous surfaces (see 6.1).