>> Search results for: 440SD2 NSN Search Results National Stock Number (NSN) Description 4820-01-534-0142, 4820015340142 VALVE,CHECK 6130-99-972-0712 , 6130999720712 RECTIFIER,METALLIC 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