Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MSP5A found under Loudspeaker Permanent Magnet by Yamaha Corp Of America. The National Stock Number assigned to this part is 5965016135884, 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 MSP5A.