>> Search results for: D19891 NSN Search Results National Stock Number (NSN) Description 4820-01-303-2398, 4820013032398 DIAPHRAGM,VALVE,FLAT 5940-01-256-7048 , 5940012567048 TERMINAL,HOUSING 3020-00-059-4906, 3020000594906 SPROCKET WHEEL 4820-00-312-6236 , 4820003126236 DIAPHRAGM,VALVE,FLAT 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