Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1602B 2150 (CWCS found under Extractor Electrical Card by Protolab. The National Stock Number assigned to this part is 5998011600911, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1602B 2150 (CWCS.