Used to detect ammonia; range 0.25 to 3 ppm
NSN 6240-01-619-2122
NSN 6150-01-539-5885
NSN 6320-00-809-5744
NSN 6620-00-325-4693
NSN 6645-01-076-4655
NSN 5985-01-619-0026
NSN 5920-01-125-6469
NSN 5985-01-454-7683
NSN 6240-00-160-9223
NSN 5990-01-042-1984
NSN 6105-01-285-7530
NSN 5920-01-341-5616