Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 38163 found under Sleeve Serrate by Aerocontrolex Group Inc. The National Stock Number assigned to this part is 1680008848714, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 38163.