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National Stock Number:
4820-01-147-6456
Federal Supply Class:
4820
National Item Identification Number:
011476456
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.
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Manufacturer Information:
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Techincal Specification:
| SPECIAL FEATURES | STEEL MIL-S-5626 OR AISI 4140 ZINC DICHROMATE,HEX BODY 0.750 IN.W ACROSS FLATS BY 0.875 IN.LG TAPPED 1/2-20 UNF-2B BY 0.500 IN.DP,SEAT 126.0 TO 130.0 DEG,THRU HOLE 0.125 IN.DIA,THD END 9/16-18 UNF-2A THD 0.375 IN.LG,HEX HEAD PLUG 1.250 IN.LG 1/2-20 UNF-2A THD 0.437 IN.LG,120.0 DEG POINT HEAT TREAT QUENCH AND TEMPER 50 TO 60 ROCKWELL C-SCALE |
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