Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K0 021 found under Parts Kit Linear Ac by Tyco Electronics Corporation. The National Stock Number assigned to this part is 1650010240079, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K0 021.