6720-00-704-0663 CAMERA,STILL PICTURE Index 1680-00-704-0667 SCREW ASSY,RADOME

National Stock Number:
4820-00-704-0666

Federal Supply Class:
4820

National Item Identification Number:
007040666

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.


Manufacturer Information:
A70089-181982HYDRO-AIRE AEROSPACE CORP


Techincal Specification:
CONNECTION STYLEFLARELESS (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALRUBBER SYNTHETIC SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 2ND END
SEAT ANGLE12.0 DEGREES 1ST END
SEAT ANGLE60.0 DEGREES 2ND END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH20 2ND END
THREAD QUANTITY PER INCH20 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
VALVE OPERATION METHODAUTOMATIC


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