MIL-I-742F (AMENDMENT 1), MILITARY SPECIFICATION: INSULATION BOARD, THERMAL, FIBROUS GLASS (30 APR 1981) [S/S BY MIL-DTL-32585]
MIL-I-742F (AMENDMENT 1), MILITARY SPECIFICATION: INSULATION BOARD, THERMAL, FIBROUS GLASS (30 APR 1981) [S/S BY MIL-DTL-32585].