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National Stock Number:
4820-01-368-6507
Federal Supply Class:
4820
National Item Identification Number:
013686507
Description:
VALVE,REGULATING,SYSTEM PRESSURE
Detail:
A VALUE DESIGNED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED PRESSURE WITHIN A CLOSED SYSTEM REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. THE EXCESS PRESSURE IS BY-PASSED TO THE ACCUMULATOR OR RESERVOIR IN LIEU OF PASSING THROUGH THE ENTIRE SYSTEM. IT IS DESIGNED PRIMARILY FOR USE IN REFRIGERATION AND AIR CONDITIONING SYSTEMS. EXCLUDES VALVE, REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.
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Manufacturer Information:
| 1386-2425 | 66573 | CIRCOR AEROSPACE, INC. | | 1386-2425 | 91816 | CIRCOR AEROSPACE, INC. | | 6558093-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | STRAIGHT THRU | | CRITICALITY CODE JUSTIFICATION | FEAT | | FACE TO FACE DISTANCE | 2.630 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 302, 303, 304, 305, 310, OR 316 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT | | MATERIAL | STEEL CORROSION RESISTING BODY | | MAXIMUM INLET PRESSURE RATING | 6000.0 POUNDS PER SQUARE INCH | | OUTLET PRESSURE SETTING | 2500.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS | | TEMP RATING | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM | | VALVE LOADING METHOD | DOME |
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