Used to detect ammonia; range 0.25 to 3 ppm
NSN 6610-01-400-3880
NSN 5960-01-342-1961
NSN 5930-00-205-9157
NSN 5935-00-571-8123
NSN 5895-00-111-8334
NSN 4140-01-407-1139
NSN 6645-01-627-6629
NSN 5910-01-060-3102
NSN 6110-00-784-7015
NSN 7035-01-023-7859
NSN 6320-00-894-1644
NSN 5920-01-343-0294