Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53735 found under Holder Crystal Unit by Itt Corporation. The National Stock Number assigned to this part is 5955003033666, 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 53735.