>> Search results for: OS604 NSN Search Results National Stock Number (NSN) Description 6810-00-009-3583, 6810000093583 SODIUM METASILICATE,ANHYDROUS,TECHNICAL 6810-00-664-7062 , 6810006647062 Cancelled -> Replaced by 6810002098175 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information