Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1859B2 found under Pin Anchor Brake Sh by Koehring Co. The National Stock Number assigned to this part is 2530003714118, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1859B2.