Miniature inline hydraulic manually operated ball valve. Fits in the bottom of the Master cylinder. Just pull the brake handle and hold the pressure and turn the lever on the ball valve. Let go of the handle and the ball valve holds the pressure until you release the lever back. 1/8"NPT Female x 1/8/"NPT Male Chrome Plated Brass Valve 1.7" overall length.
Landing Gear - Brake Components - Valves
