Methylene chloride must be refrigerated until ready to use, not an explosive; used un calibration of devices used to detect explosives; which have nitrogen present
NSN 5960-00-201-5265
NSN 5965-00-508-3270
NSN 2925-01-457-2202
NSN 6150-01-557-7919
NSN 6130-01-519-4935
NSN 6145-00-983-8639
NSN 5945-01-181-5956
NSN 6620-00-820-9616
NSN 5855-01-068-3683
NSN 7035-00-153-3826
NSN 5960-01-100-7381
NSN 6240-01-546-8755