4820-01-242-5339, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-242-5339

Federal Supply Class:
4820

National Item Identification Number:
012425339

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:

MIL-V-8813	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893-A6-500	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893A6-500	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHOD	AUTOMATIC
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE	7.0 GALLONS PER MINUTE
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE	GASKET SEAL(BOSS) ALL ENDS
THREAD SERIES DESIGNATOR	UNF ALL ENDS
NOMINAL THREAD SIZE	0.562 INCHES ALL ENDS
THREAD CLASS	3B ALL ENDS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
DISK LOADING METHOD	SPRING
OPENING PRESSURE SETTING	500.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE	500.0 TO 825.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
SPECIFICATION/STANDARD DATA	96906-MS28893 GOVERNMENT STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-V-8813
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS28893-A6-500

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