Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6-CHANNEL PCM VOICE MODULE found under Electronic Module Standardized by Rad Data Communications Inc. The National Stock Number assigned to this part is 5963015385303, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6-CHANNEL PCM VOICE MODULE.