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National Stock Number: 4820-00-807-7454
Federal Supply Class: 4820
National Item Identification Number: 008077454
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:
| 317659-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| VALVE OPERATION METHOD | AUTOMATIC | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | THREAD QUANTITY PER INCH | 16 1ST END | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | BONNET TYPE | PACKING RETAINING | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | 200.0 TO 250.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80020 | | DESIGN CONTROL REFERENCE | 317659-1 |
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