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National Stock Number:
4820-00-858-0502
Federal Supply Class:
4820
National Item Identification Number:
008580502
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:
| 219815 | 99221 | TAVCO, INC. | | 668276-11 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| STYLE DESIGNATOR | CROSS | | FLOW CONTROL DEVICE | POPPET | | MAXIMUM OPERATING PRESSURE | 16.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 65.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL TUBE 2ND END | | CONNECTION STYLE | FLARELESS (TUBE) 2ND END | | SEAT ANGLE | 24.0 DEGREES 1ST END | | 24.0 DEGREES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END | | 0.500 INCHES 2ND END | | THREAD SERIES DESIGNATOR | UN 3RD END | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | 0.750 INCHES 2ND END | | THREAD QUANTITY PER INCH | 12 3RD END | | THREAD CLASS | 3A 1ST END | | 3A 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 12.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | FILTER GUARD IN STAINLESS STEEL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99221 | | DESIGN CONTROL REFERENCE | 219815 |
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