Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KS221C0T038 found under Bushing Sleeve by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 3120013253269, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KS221C0T038.