Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS350X1A found under Switch Thermostatic by Cole Parmer Instrument Co. The National Stock Number assigned to this part is 5930014136794, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RS350X1A.