>> Search results for: R4013BS NSN Search Results National Stock Number (NSN) Description 5330-99-520-1935, 5330995201935 PACKING,PREFORMED 5330-99-528-9749 , 5330995289749 SEAL,PLAIN 5330-99-806-8437, 5330998068437 PACKING,PREFORMED 5330-99-560-6737 , 5330995606737 PACKING,PREFORMED 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