Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VS3-300 found under Circuit Card Assembly by Electronic Controls Corporation. The National Stock Number assigned to this part is 5998010454689, 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 VS3-300.