Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S120-02AR found under Parts Kit Air Motor by Kirkpatrick Group Inc The. The National Stock Number assigned to this part is 4320014709727, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S120-02AR.