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National Stock Number:
4820-00-168-1741
Federal Supply Class:
4820
National Item Identification Number:
001681741
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:
| 990C843801 | 18323 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 990C843H01 | 18323 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | D513A8D41 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS FIRST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | THREAD CLASS | 2A FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | VALVE OPERATION METHOD | AUTOMATIC |
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