>> Search results for: PB51021RB NSN Search Results National Stock Number (NSN) Description 5985-01-047-2373, 5985010472373 ATTENUATOR,VARIABLE 5930-00-258-5568 , 5930002585568 Cancelled -> Replaced by 5930005574915 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