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National Stock Number:
4820-00-440-3699
Federal Supply Class:
4820
National Item Identification Number:
004403699
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:
| 3313367PC1251-T | 53711 | NAVAL SEA SYSTEMS COMMAND | | 8516PC1251T | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | E8516Y51M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | E8516Y51M | 53711 | NAVAL SEA SYSTEMS COMMAND | | E8516Y51M | 96169 | ELECTRIC BOAT CORPORATION | | 8576-001PCAHP174 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | DISK LOADING METHOD | SPRING | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.5000 INCHES | | FLOW CONTROL DEVICE | DISK OR STEM | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | COPPER ALLOY 922 FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY 922 SEAT | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING | | NOMINAL THREAD SIZE | 2.875 INCHES 2ND END | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.187 INCHES | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD CLASS | 3A 2ND END | | THREAD SERIES DESIGNATOR | UNS ALL ENDS | | THREAD QUANTITY PER INCH | 12 2ND END | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | VALVE SIZE | 1.5000 INCHES |
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