HH-I-558C (NOTICE-1), FEDERAL SPECIFICATION: INSULATION,, BLANKETS, THERMAL (MINERAL FIBER, INDUSTRIAL TYPE) (31-DEC-1996) [S/S BY ASTM-C612, ASTM-C553, ASTM-C592, AND ASTM-C547]
HH-I-558C (NOTICE-1), FEDERAL SPECIFICATION: INSULATION,, BLANKETS, THERMAL (MINERAL FIBER, INDUSTRIAL TYPE) (31-DEC-1996) [S/S BY ASTM-C612, ASTM-C553, ASTM-C592, AND ASTM-C547]., Federal Specification HH-I-558C,dated January7,1992 is hereby cancelled.