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National Stock Number:
4820-00-139-0381
Federal Supply Class:
4820
National Item Identification Number:
001390381
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:
| 4P138-3 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |
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Techincal Specification:
| VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 303 BODY | | STEEL COMP 303 SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | FLOW CONTROL DEVICE | BALL | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | 100.0 TO 120.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 82829 | | DESIGN CONTROL REFERENCE | 4P138-3 |
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