Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your adapter trim NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find adapter trim with NSN 4920-00-481-4451 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.