>> Search results for: FWS4C1A NSN Search Results National Stock Number (NSN) Description 5820-99-891-0189, 5820998910189 EQUIPMENT INTERFACE 5998-99-875-2950 , 5998998752950 CIRCUIT CARD ASSEMB 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