>> Search results for: 5278D NSN Search Results National Stock Number (NSN) Description 5305-00-281-8231, 5305002818231 SCREW,CAP,HEXAGON HEAD 4820-01-481-3431 , 4820014813431 VALVE,CHECK 1 Related Inventory M5M5278DJ-15 Readily AvailableAdd to RFQ 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