>> Search results for: DA3091 NSN Search Results National Stock Number (NSN) Description 4320-00-901-8153, 4320009018153 VANE,PUMP,ROTARY 4320-21-811-0231 , 4320218110231 VANE,PUMP,ROTARY 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