4820-01-504-5800, VALVE,RELIEF,PRESSURE AND TEMPER

National Stock Number:
4820-01-504-5800

Federal Supply Class:
4820

National Item Identification Number:
015045800

Description:
VALVE,RELIEF,PRESSURE AND TEMPER

Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.

Manufacturer Information:

6392757	53711	NAVAL SEA SYSTEMS COMMAND
6392757 FIND 15	31442	NORTHROP GRUMMAN SYSTEMS CORPORATION
6392757 FIND 15	53711	NAVAL SEA SYSTEMS COMMAND
PL6392757	53711	NAVAL SEA SYSTEMS COMMAND
PHFA2815300D	92555	THE LEE CO

Techincal Specification:

SPECIAL FEATURES	MAX WORKING PRESSURE 5000PSID, MAX TRANSIENT PRESSURE 7500PSID. VALVE LENTH 1.36 W/ 0.2811DIAM; SCREEN HOLE SIZE 0.004"NOM.; LOCKING GROOVES @ INLET END, 45DEG BEVEL @ OUTLET END.
SUPPLEMENTARY FEATURES	INSTALLATION/ EXTRACTION SPECIAL TOOL SET CUTA2810114C NEEDED FOR BEVELED-NOSE TAPERED EXPANDER PIN PLACEMENT (PIN SIZE .23DIAM. X .30LENGTH).
TEMP ADJUSTABILITY	NOT ADJUSTABLE
BODY MATERIAL	STEEL, CORROSION RESISTING
FURNISHED ITEMS	FILTER SCREEN
FLOW CONTROL DEVICE	BALL AND POPPET
PART NAME ASSIGNED BY CONTROLLING AGENCY	LEE PRI .281 HIGH PRESSURE FORWARD STANDARD RELIEF VALVE
PROPRIETARY CHARACTERISTICS	PACS
OPENING PRESSURE SETTING	3000.0 POUNDS PER SQUARE INCH
OUTSIDE SURFACE TREATMENT	PASSIVATED
SEAT MATERIAL	STEEL, CORROSION RESISTING

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