Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your knob case NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find knob case with NSN 5355-00-348-2857 and manufactured by Chelsea Clock Llc The at some of the most competitive prices in the market. Just fill out and submit an RFQ to get started on a quick and competitive quote.