Gas Detector Tubes

3 part numbers
6640NCM990258 Tubes Gas Detector 0.25/a Measurement Capabilities Of2.5-3ppm10s NSN 6640-01-498-8099 Cross Reference: 02-0868, CH31801
  • 0.25/a; measurement capabilities of 2.5-3ppm general description
6640NCM990257 Tubes Gas Detector 0.5/a Measurement Capabilities Of .5-5ppm 10s NSN 6640-01-498-8103 Cross Reference: 02-0867, 6728981
  • 0.5/a; measurement capabilities of .5-5ppm general description
6640NCM990260 Tubes Gas Detector 0.5/a Measurement Capabilities Of .5-25ppm10s NSN 6640-01-498-8115 Cross Reference: 02-0869, 6728491
  • 0.5/a; measurement capabilities of .5-25ppm general description
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