>> Search results for: CU351AR NSN Search Results National Stock Number (NSN) Description 5821-00-042-3405, 5821000423405 COUPLER 5821-00-512-7961 , 5821005127961 COUPLER ASSY ANTENN 5821-00-042-3405, 5821000423405 COUPLER 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