4820-00-288-7841, VALVE,SAFETY RELIEF

National Stock Number:
4820-00-288-7841

Federal Supply Class:
4820

National Item Identification Number:
002887841

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:

214-3801-799121REV4PCV11	53711	NAVAL SEA SYSTEMS COMMAND
214-3801-799121REV4PCV11	80064	NAVAL SHIP SYSTEMS COMMAND
282-3801-801795REVCPCV9	53711	NAVAL SEA SYSTEMS COMMAND
4824-158796ALT11PC1-1-300	53711	NAVAL SEA SYSTEMS COMMAND
4824-158796ALT11PC1-2-300	80064	NAVAL SHIP SYSTEMS COMMAND
282-3801-801795REVCPCV9	80064	NAVAL SHIP SYSTEMS COMMAND
4824-158796PC1-2300	53711	NAVAL SEA SYSTEMS COMMAND
4824-934713ALT10PCASSEMBLYM	53711	NAVAL SEA SYSTEMS COMMAND
4824-934713ALT10PCASSEMBLYM	80064	NAVAL SHIP SYSTEMS COMMAND
4824-158796PC1-2300	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC
MATERIAL	COPPER ALLOY BODY
	COPPER ALLOY FLOW CONTROL DEVICE
	NICKEL ALLOY SEAT
	STEEL STEM
FLOW CONTROL DEVICE	DISK
CONNECTION TYPE	UNTHREADED INTERNAL PIPE 1ST END
	THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE	SOCKET (TUBE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES 1ST END
	0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR	NPT 2ND END
NOMINAL THREAD SIZE	0.500 INCHES 2ND END
THREAD QUANTITY PER INCH	14 2ND END
THREAD DIRECTION	RIGHT-HAND 2ND END
DISK LOADING METHOD	SPRING
OPENING PRESSURE SETTING	300.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY PAC ADSV AND 1/2 IN. VALVE SIZE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	53711
DESIGN CONTROL REFERENCE	4824-158796ALT11PC1-1-300

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