Specifies fire extinguisher and booster hose used on portable, wheeled, and stationary fire extinguishers, and as booster hose on fire apparatus. This hose is designed for use at a maximum working pressure of 200, 250, 400, 600, 800, 1000, or 1250 psig (1.38, 1.72, 2.76, 4.14, 5.52, 6.90, or 8.62 MPa).