Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11633-2 found under Oscillator Subassem by Crane Electronics Ltd. The National Stock Number assigned to this part is 5955004962467, 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 11633-2.