Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your header position NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find header position with NSN 6685-00-189-8639 and manufactured by Howell Instruments Inc 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.