At 73.5 degrees f blue spots will turn to a pink color at relative humidities as follows, top spot 65 pct, middle spot 40 pct, bottom spot 30 pct
NSN 5945-01-370-8182
NSN 7035-00-215-3272
NSN 5915-01-458-2631
NSN 5895-00-063-0591
NSN 5999-00-419-7585
NSN 5915-01-470-2299
NSN 6145-00-081-1073
NSN 5920-01-092-4233
NSN 6645-00-767-6307
NSN 5935-00-230-8142
NSN 6220-01-510-6706
NSN 5990-00-683-1095
Last Updated: 08/16/2025