MIL-B-52598B, MILITARY SPECIFICATION: BAG, SAND, ACRYLIC (03 DEC 1969) [S/S BY A-A-52140]
MIL-B-52598B, MILITARY SPECIFICATION: BAG, SAND, ACRYLIC (03 DEC 1969) [S/S BY A-A-52140]., This specification covers sand bags manufactured entirely of acrylic fiber.