4820-01-646-5745 VALVE,SAFETY RELIEF 4820-01-646-6341 VALVE ASSEMBLY,MANIFOLD

National Stock Number:
4820-01-646-5995

Federal Supply Class:
4820

National Item Identification Number:
016465995

Description:
VALVE,RELIEF,PRESSURE AND TEMPER


Manufacturer Information:
11-88127195ACTRONICS INCORPORATED
60872-00212536AMETEK THERMAL SYSTEMS INC
60872-00297499BELL TEXTRON INC


Techincal Specification:
BODY MATERIALALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6
BODY OUTSIDE DIAMETER0.798 INCHES NOMINAL
BODY STYLESTRAIGHT THRU
FIRST END BOLT HOLE DIAMETER0.221 INCHES NOMINAL
FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG LENGTH1.312 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY2
FIRST END FLANGE END RADIUS0.250 INCHES NOMINAL
FIRST END FLANGE LENGTH1.812 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLEOVAL W/ BOLT HOLES
FIRST END FLANGE THICKNESS0.125 INCHES NOMINAL
FIRST END FLANGE WIDTH0.875 INCHES NOMINAL
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
III PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE BYPASS GRBX; VALVE, BYPASS THERMAL AND PRESSURE
PROPRIETARY CHARACTERISTICSPACS
MEDIA FOR WHICH DESIGNEDOIL
OUTSIDE SURFACE TREATMENTANODIZED, MIL-A-8625, TYPE 2
SEAT MATERIALALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6
SECOND END STYLE DESIGNATORGROOVED
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL FEATURESFULLY OPEN: 165 DEG AND BELOW; STARTS TO CLOSE: 165-180 DEG; FULLY CLOSED: 180 DEG; VALVE CRACKING PRESSURE: 40 PSID MAX, AT 190-195 DEG F; VALVE TO RESEAT AT 30 PSID MIN; FLUID: MIL-L-7808 OR MIL-L-23699
STEM MATERIALALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING-65.0 DEG FAHRENHEIT AND 320.0 DEG FAHRENHEIT


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