Consists of very sensitive liquid inside specially designed ampule, behind which is a white absorbent paper; if temps go below freezing, the ampule breaks and releases the liquid, staining the paper blue; activation temp 0 degrees c; 32 degrees f; used to monitor storage/shipment of chemicals, medicines, vaccines, foods, beverages, printing inks, adhesives, paints, plastics, and photographic products
NSN 6610-00-854-4980
NSN 5965-01-121-2319
NSN 6620-01-446-7868
NSN 5935-01-425-2037
NSN 5915-01-462-5900
NSN 7035-01-426-4133
NSN 6110-00-382-5472
NSN 5990-01-544-4360
NSN 6685-01-319-0289
NSN 6240-01-028-2971
NSN 5965-00-076-2332
NSN 4140-00-397-9252
Last Updated: 07/10/2025