Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your block telephone pro NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find block telephone pro with NSN 5920-00-160-4891, 5920-00-548-5437, 5920-00-521-8331, 5920-00-160-4890, 5920-00-285-0286 and manufactured by Accurate Screwmachine Corporatio, American Telephone And Telegraph Co, Army,United States Department Of The Dba Rock Island Arsenal Jmtc, At And T Corp 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.