Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3223090-03 found under Printed Wiring Boar by Sie Computing Solutions Inc. The National Stock Number assigned to this part is 5998013696310, 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 3223090-03.