Trlr, cargo, 3/4t, 2-whl, tam d08607; truck, forklift, rough terrain, 6000 lb (5id); cargo system, 463l; chassis, trlr, gp, 3 1/2t, 2-whl, tam d00807; tractor, aircraft towing, mb-4; shipboard material handling equipment (mhe) end item identification, screw, bleeder part name assigned by controlling agency, steel,spec data,fed,no. qq-s-633,fs 1018 to fs 1025 or fsb1112 or fsb 1113; zinc-plated finish; dim. data,1-17/64 in. lg over-all,7/16 in. across hex flats,1/8 in. lg hex,7/8 in. from valve end to nearest hex shoulder; barbed type hose connector,barbed type data,9/64 in. from hex shoulder to nearest edge of barbed hose connector,0.308 in. largest dia of hose connector,0.187 in. smallest dia of hose connector,17/64 in. lg hose connector; valve seat end data,0.339 in. largest od of taper,1/8 in. lg taper,9/32 in. lg excluding threaded portion,7/32 in. from center of inlet hole to valve end,3/32 in. dia inlet hole,external thd data,7/16 - 20,unf,rh,class 2a thd,0.509 in. lg; drain hole data,0.116 in. dia,11/32 in. lg,1/8 in. dia,3/4 in. lg special features

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.