>> Search results for: 51A212 NSN Search Results National Stock Number (NSN) Description 5950-00-267-4170, 5950002674170 TRANSFORMER,MICROPH 5340-00-359-0859 , 5340003590859 Cancelled -> Replaced by 5340005362633 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