4820-00-329-9667, VALVE,SAFETY RELIEF

5330-00-329-9668 BACK-UP RING,PREFORMED PACKING

National Stock Number:
4820-00-329-9667

Federal Supply Class:
4820

National Item Identification Number:
003299667

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:

1000-2	06177	PNEUDRAULICS, INC.
1701-11	94874	DROITCOUR CO
MIL-V-8813	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
1701-11A	94874	DROITCOUR CO
MS28893-A4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893A4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893A4-500	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+500.0 TO 825.0 POUNDS PER SQUARE INCH
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE	GASKET SEAL(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
MAXIMUM OPERATING TEMP	275.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	825.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
NOMINAL THREAD SIZE	0.437 INCHES ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD CLASS	3B ALL ENDS
THREAD SERIES DESIGNATOR	UNF ALL ENDS
VALVE DISCHARGE FLOW RATE	2.5 GALLONS PER MINUTE
VALVE OPERATION METHOD	AUTOMATIC

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