MIL-C-7979B, MILITARY SPECIFICATION: CYLINDER, HYDRAULIC BRAKE, MASTER, POWER ASSISTED (21 OCT 1959)

MIL-C-7979B, MILITARY SPECIFICATION: CYLINDER, HYDRAULIC BRAKE, MASTER, POWER ASSISTED (21 OCT 1959)., This specification covers hydraulic power assisted master brake cylinders designed for use in aircraft hydraulic wheel brake subsystems which operate at 0 to 1,500 pounds per square inch pressure and are used in airplane hydraulic systems having power input pressures up to 3,000 pounds per square inch.