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 6105-01-467-7691
NSN 7035-01-173-5503
NSN 5925-00-494-4685
NSN 6135-01-340-1699
NSN 6650-00-866-9947
NSN 5895-01-484-9666
NSN 6645-01-345-5318
NSN 5930-01-327-2802
NSN 6240-00-617-9599
NSN 6610-01-503-5656
NSN 5950-01-104-4595
NSN 6220-00-187-8569
Last Updated: 06/18/2025