>> Search results for: BC557B NSN Search Results National Stock Number (NSN) Description 5961-13-112-6352, 5961131126352 TRANSISTOR: 5961-15-009-4686 , 5961150094686 TRANSISTOR 5961-99-732-0772, 5961997320772 TRANSISTOR 5961-23-112-7470 , 5961231127470 TRANSISTOR BC557B. 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