>> Search results for: T1900E NSN Search Results National Stock Number (NSN) Description 5120-00-739-5028, 5120007395028 PLUG,RELIEF VALVE 4920-01-056-9692 , 4920010569692 TEST PLUG,AIRCRAFT COMPONENT 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