Special Features:

1.170 in. O/a lg; 0.375 in. Across hex flats; 0.100 in. Lg hex; 0.78125 in. Valve end to nearest hex shoulder; barbed ty hose conn, 0.171875 in. From hex shoulder to nearest edgeof barbed hose conn; 0.1875 in. Smallest dia, 0.3125 in. Largest dia, hose conn; 0.296875 in. Lg hose conn; valve seat, 0.277 in. Largest od of taper, 0.090 in. Lg taper, 0.280 in. Lg excluding thd portion, 0.220 in. C of inlet hole to valve end; 0.094 in. Diameter inlet hole; ext thd, 3/8-24, unf, rh, cl 3a, 0.410 in. Lg; 0.125 in. Diameter drain hole, 1.000 in. Lg

Properties:

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.