Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CP939P00303 found under Handset by Karcher Group Incorporated. The National Stock Number assigned to this part is 5965014709834, and the Federal Supply Class is 5965 Headsets Handsets Microphones And Speakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CP939P00303.