Used to detect ammonia; range 0.25 to 3 ppm
NSN 6685-01-330-4910
NSN 5920-01-386-5798
NSN 5925-01-008-8520
NSN 5930-01-068-3641
NSN 5975-00-204-9190
NSN 5835-01-090-0328
NSN 7035-01-330-6768
NSN 5915-00-243-8667
NSN 5905-01-550-4290
NSN 6650-00-004-3683
NSN 6645-01-281-7254
NSN 5925-00-504-5364