Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CMR1A3159SP found under Capacitor Fixed Mic by Custom Electronics Inc. The National Stock Number assigned to this part is 5910011878568, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CMR1A3159SP.