Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number OS6850-U24X found under Switch Fiber Optic by Alcatel Internetworking Inc. The National Stock Number assigned to this part is 6021015500750, and the Federal Supply Class is 6021 Fiber Optic Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like OS6850-U24X.