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 6240-00-383-7668
NSN 5950-01-507-9775
NSN 5855-00-156-5489
NSN 4140-00-612-9727
NSN 5965-01-367-6483
NSN 2925-01-398-4312
NSN 6645-01-241-4300
NSN 5965-01-393-9688
NSN 5915-01-329-8717
NSN 4140-01-634-0330
NSN 6135-00-128-1633
NSN 6150-01-139-3787
Last Updated: 08/04/2025