Product Details | SAFETY RELIEF VALVE

4820-01-233-4964 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.

Part Alternates: PWA57130, PWA57130 ITEM 6, PWA57130ITEM6, 628XB262, 628XB-2-6-2, 4820-01-233-4964, 01-233-4964, 4820012334964, 012334964

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 31 MAY 1986 01-233-4964

Drawings & Photos | NSN 4820-01-233-4964


Demand History | NSN 4820-01-233-4964

Part Number Request Date QTY Origin
4820-01-233-4964 2022-05-136 1 Greece
4820-01-233-4964 2022-03-76 1 Greece
4820-01-233-4964 2020-05-132 1 US
628XB262 2014-07-205 1 US

Cross Reference | NSN 4820-01-233-4964

Part Number Cage Code Manufacturer
628XB-2-6-2 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
628XB-2-6-2 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
PWA57130 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
PWA57130 ITEM 6 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4820-01-233-4964

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL COMP 303 FLOW CONTROL DEVICE RUBBER SYNTHETIC SEAT
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 225.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE G46B PLAIN 1ST END G42 FLARED 2ND END
SEAT ANGLE 37.0 DEGREES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END
OPENING PRESSURE SETTING 33.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 10.0 TO 50.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-233-4964

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AH Defense Supply Center Columbus
Columbus, OH 43215
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable