Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STK-161 found under Circuit Card Assemb by Lewis Corp. The National Stock Number assigned to this part is 5998011028766, 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 STK-161.