Inner button is chemically treated to change from yellow color to grey if the carbon monoxide level exceeds .02%; outer circle is chemically treated to change from blue to pink in the presence of moisture in excess of 10% rh
No other part numbers with same form, fit, and function found.
An item which visually indicates the concentration of carbon monoxide gas in the air. See also detector kit, carbon monoxide, colorimetric.
NSN 5855-01-411-3360
NSN 5999-00-156-4424
NSN 5895-01-190-5186
NSN 6110-00-139-5339
NSN 5835-01-412-0344
NSN 6685-01-099-6261
NSN 6610-00-492-9872
NSN 5975-01-536-4687
NSN 6150-00-171-9455
NSN 5855-00-471-6002
NSN 5925-01-425-8689
NSN 5835-01-435-4139