Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KB22J21A found under Resistor Thermal by Honeywell International Inc. The National Stock Number assigned to this part is 5905010956200, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KB22J21A.