4820-01-496-7140, VALVE,SAFETY RELIEF

5342-01-496-7139 BRACKET,ENGINE ACCESSORY

National Stock Number:
4820-01-496-7140

Federal Supply Class:
4820

National Item Identification Number:
014967140

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	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893-D8-3560	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+2300.0 TO 3850.0 POUNDS PER SQUARE INCH
CONNECTION STYLE	GASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
DISK LOADING METHOD	SPRING
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICE	POPPET
MATERIAL	STEEL CORROSION RESISTING BODY
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING SEAT
MEDIA FOR WHICH DESIGNED	OIL, HYDRAULIC SINGLE RESPONSE
NOMINAL THREAD SIZE	0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING	3560.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES	LENGTH:6.0IN.DIA.OF BODY:1.375,SHOULDER TRANSITION:0.625
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS	3B ALL ENDS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR	UNF ALL ENDS
VALVE DISCHARGE FLOW RATE	12.0 GALLONS PER MINUTE
VALVE OPERATION METHOD	AUTOMATIC

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