Used to detect ammonia; range 0.25 to 3 ppm
NSN 5895-00-086-9036
NSN 6240-01-360-0225
NSN 6320-01-616-0843
NSN 5985-00-436-7090
NSN 6645-01-172-6838
NSN 6150-01-513-2198
NSN 5920-00-552-9145
NSN 5985-01-386-4419
NSN 6220-01-468-8403
NSN 5998-01-608-0017
NSN 6320-01-447-3923
NSN 5998-01-422-0933