Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E230A found under Housing Isolators Optically Coup by Versitron Inc. The National Stock Number assigned to this part is 6030013818907, and the Federal Supply Class is 6030 Fiber Optic Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E230A.