Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XVD210100-3 found under Thermostat by Rostra Vernatherm Llc. The National Stock Number assigned to this part is 6685009180899, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XVD210100-3.