>> Search results for: DC5040 NSN Search Results National Stock Number (NSN) Description 4240-01-434-8287, 4240014348287 CLIMATE CONTROL,DUAL COOL,RESPIR 6680-00-830-1808 , 6680008301808 GEAR ASSEMBLY 4240-01-434-8289, 4240014348289 HOSE,CONNECTOR,RESPIRATOR 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information