>> Search results for: SA521A NSN Search Results National Stock Number (NSN) Description 5985-00-837-0000, 5985008370000 SWITCH,RADIO FREQUENCY TRANSMISS 5985-00-837-9973 , 5985008379973 Cancelled -> Replaced by 5985008789039 5985-00-097-7374, 5985000977374 Cancelled -> Replaced by 5985014724412 5985-01-472-4412 , 5985014724412 SWITCH,RADIO FREQUENCY TRANSMISSION LINE 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