>> Search results for: MB74FINDNO164 NSN Search Results National Stock Number (NSN) Description 4820-01-617-9842, 4820016179842 BUTTON,DIAPHRAGM 4820-01-674-3600 , 4820016743600 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