Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45P01 found under Loudspeaker Permane by Amperex Electronic Corp. The National Stock Number assigned to this part is 5965010628730, 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 45P01.