>> Search results for: 506551811505 NSN Search Results National Stock Number (NSN) Description 4320-01-319-0083, 4320013190083 PUMP,ROTARY 4320-01-317-7272 , 4320013177272 ROTOR,PUMP 3040-01-317-7275, 3040013177275 IDLER,SHAFT 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