MIL-B-121F, MILITARY SPECIFICATION: BARRIER MATERIALS, GREASEPROOFED, WATERPROOFED (16 JUN 1989) [S/S BY MIL-PRF-121G]

MIL-B-121F, MILITARY SPECIFICATION: BARRIER MATERIALS, GREASEPROOFED, WATERPROOFED (16 JUN 1989) [S/S BY MIL-PRF-121G]., This specification covers flexible, greaseproofed, waterproofed, barrier material used for protection of military supplies and equipment during transportation and storage under all climatic conditions (see 6.1).