MIL-I-742F, MILITARY SPECIFICATION: INSULATION BOARD, THERMAL, FIBROUS GLASS (18 MAR 1980) [S/S BY MIL-DTL-32585]

MIL-I-742F, MILITARY SPECIFICATION: INSULATION BOARD, THERMAL, FIBROUS GLASS (18 MAR 1980) [S/S BY MIL-DTL-32585]., This specification covers a fire-resistive fibrous glass thermal insulation board.