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National Stock Number: 4820-01-310-7694
Federal Supply Class: 4820
National Item Identification Number: 013107694
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:
| 1551AS140-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 1551AS140-1CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-I-52211 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +2250.0 TO 3000.0 POUNDS PER SQUARE INCH | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) SECOND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION TYPE | THREADED INTERNAL PIPE SECOND END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | DISK LOADING METHOD | SPRING | | MATERIAL | STEEL COMP 316 BODY | | OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 | | VALVE OPERATION METHOD | MANUAL | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END |
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