4820-00-971-4755 VALVE,SAFETY RELIEF Index 4820-01-189-3920 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-974-9259

Federal Supply Class:
4820

National Item Identification Number:
009749259

Description:
VALVE,BLEEDER,HYDRAULIC SYSTEM

Detail:
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.


Manufacturer Information:
1091608619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
2530009749259A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
2530009749259SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATION66B FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1015 OR STEEL COMP 1212 OVERALL
SPECIAL FEATURES1.170 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. DIA INLET HOLE; EXT THD,3/8-24,UNF,RH,CL 3A,0.410 IN. LG; 0.125 IN. DIA DRAIN HOLE,1.000 IN. LG
SURFACE TREATMENTZINC


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