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National Stock Number:
4820-01-479-8800
Federal Supply Class:
4820
National Item Identification Number:
014798800
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 249A4BB | 91816 | CIRCOR AEROSPACE, INC. | | GV500W5 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED INTERNAL TUBE ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.438 INCHES ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | OPERATING PRESSURE TO 3000 PSIG; PROOF PRESSURE 2 1/2 TO 4 TIMES OPERATION PRESSURE; TEMPERATURE AND CRACKING PRESSURE RANGE -40 TO +250 DEG FEH, 2-4 PSIG |
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