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National Stock Number:
4820-01-439-3523
Federal Supply Class:
4820
National Item Identification Number:
014393523
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:
| 586R696 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 586R696H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6880-1-000 | 1DRT7 | CIRCOR AEROSPACE INC | | M9107DCD001 | 61817 | JAMES CORP | | M9107DCD001 | 6L817 | NATIONAL MACHINE COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE | | SURFACE TREATMENT | ANODIZE | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | HELIUM SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
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