MIL-S-17526A, MILITARY SPECIFICATION: SANDS, MOLDING (10-JUL-1972) [CANCELLED W/ NO S/S DOCUMENT]
MIL-S-17526A, MILITARY SPECIFICATION: SANDS, MOLDING (10-JUL-1972) [CANCELLED W/ NO S/S DOCUMENT]., This specification covers foundry sands for use in preparing molds for casting metals.