MIL-D-20550B (NOTICE-1), MILITARY SPECIFICATION: DIATOMACEOUS EARTH (10-NOV-1998) [S/S by A-A-59239]

MIL-D-20550B (NOTICE-1), MILITARY SPECIFICATION: DIATOMACEOUS EARTH (10-NOV-1998) [S/S by A-A-59239]., MIL-D-20550B, dated 8 August 1968, is hereby canceled. Future acquisition for this item should reference commercial item description A-A-59239, “DIATOMACEOUS EARTH”.