Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SC-B-72710 found under Loudspeaker Permanent Magnet by M And S Electronics Inc. The National Stock Number assigned to this part is 5965002846714, 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 SC-B-72710.