Great delivered to your door price on a NEW vintage old stock General Instrument Semiconductors brand 522 type RR300 6 plate selenium rectifier 300-350 MA+. This came from an industrial supplier's old/obsolete inventory, and it is a hard to find brand new old stock rectifier in its original box. You will receive (1) new old stock selenium rectifier diode as pictured, and I will carefully package and promptly ship it free of charge and I have several other vintage electrical items that came from this same inventory in separate listings.

 *Note: Buy with confidence I am a US Seller located right here in the USA. All my items were sourced in the USA they are In Stock and promptly shipped. Be sure and visit my eBay store to check out my other listings for hard-to-find specialty hardware and fasteners as well as plumbing electrical welding and vintage and antique tools.

 Please use the shopping cart feature when purchasing multiple items, you will automatically receive tracking information and all your items will arrive together in one shipment.