Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1259B28 found under Pin by Koehring Co. The National Stock Number assigned to this part is 2530000401494, 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 1259B28.