Pipe 151.56.053-8 (151.56.053-1) is used in the pneumatic brake system of HTZ tractors and serves as an intermediate element of the line between the brake valve and the rear brake chambers.
The tube connects the brake valve 151.64.027 with the rear brakes - brake chambers 500-3519010-01. On one side it is connected to the brake hoses through a nut M18×1.5 and fixed with bracket 151.64.125-1, and on the other side it is connected to the end elbow 5.24.231 and the tube going from the tee to the air cylinder. In some catalogs this part is also designated as 151.64.054-1.
Used on tractors HTZ T-150, T-150K, T-151, T-151K, T-156 and other models with a similar design of the pneumatic brake system.