Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 41T1211 found under Crystal Unit Quartz by Andrea Electronics Corporation. The National Stock Number assigned to this part is 5955002675104, and the Federal Supply Class is 5955 Oscillators And Piezoelectric Crystals. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 41T1211.