>> Search results for: S14139 NSN Search Results National Stock Number (NSN) Description 5331-00-614-9398, 5331006149398 O-RING 4320-00-477-2671 , 4320004772671 PORT PLATE SUB-ASSY 4320-00-477-2686, 4320004772686 PORT PLATE SUB-ASSY 4320-17-049-3143 , 4320170493143 PORT PLATE ASSEMBLY 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