>> Search results for: 5521913 NSN Search Results National Stock Number (NSN) Description 5330-01-240-4089, 5330012404089 SLEEVE,SEAL,COUPLER 5985-01-363-4933 , 5985013634933 SEAL,WAVEGUIDE 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