>> Search results for: 57K1514 NSN Search Results National Stock Number (NSN) Description 1420-01-589-4773, 1420015894773 MODIFICATION KIT,MLRS 5360-01-443-0061 , 5360014430061 SPRING,HELICAL,EXTENSION 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