>> Search results for: N89C143 NSN Search Results National Stock Number (NSN) Description 6515-01-303-7580, 6515013037580 MASK,ORONASAL 6515-01-304-2160 , 6515013042160 CONNECTOR,TUBING,STRAIGHT 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