MIL-G-20241D (NOTICE 1), MILITARY SPECIFICATION, GASKET MATERIAL, WOOL FELT, IMPREGNATED, ADHESIVE, PRESSURE-SENSITIVE (27 OCT 1989) [S/S BY ZZ-R-765 AND MIL-I-24391]., MIL-G-20241D, dated 12 March 1980, and Amendment 1 dated 12 April 1984, arehereby canceled. Future acquisition for gasket material used in ventilation ductsshould be made under ZZ-R-765 - Rubber Silicone. Gasket material used as afraying material should-be made under MIL-I-24391 - Insulation Tape, Electrical,Plastic, Pressure Sensitive.