3020-00-836-4317 GEAR,SPUR Index 3040-00-836-4320 GEARSHAFT,SPUR

National Stock Number:
4820-00-836-4318

Federal Supply Class:
4820

National Item Identification Number:
008364318

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:
620B4-886768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
919757618876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY 2017 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
STEEL COMP 303 SEAT
STEEL COMP 303 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-763,CLASS 303,CONDA FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE STEM
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CALSS 1 MIL SPEC SINGLE TREATMENT RESPONSE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP85.0 DEG FAHRENHEIT SINGLE RESPONSE
POWER DRIVE OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH NOMINAL
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE0.0 TO 250.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
TEST DATA DOCUMENT18876-9197576 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)


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