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National Stock Number:
4820-00-878-6171
Federal Supply Class:
4820
National Item Identification Number:
008786171
Description:
VALVE,SAFETY RELIEF
Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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Manufacturer Information:
| 10892810 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | MILV8813 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +500.0 TO 825.0 POUNDS PER SQUARE INCH | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | CONNECTION STYLE | GASKET SEAL(BOSS) FIRST END | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY PRESET RELIEF PRESSURE SETTINGAND DISCHARGE CAPACITY | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | POPPET | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | NONDEFINITIVE SPEC/STD DATA | A CLASS | | OPENING PRESSURE SETTING | 550.0 POUNDS PER SQUARE INCH | | THREAD CLASS | 3B FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD QUANTITY PER INCH | 18 FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | VALVE DISCHARGE FLOW RATE | 5.0 GALLONS PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC |
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