Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R92-1141 found under Chamber Air Brake by Marmon Herrington Company Inc. The National Stock Number assigned to this part is 2530015704003, 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 R92-1141.