Product Details | SAFETY RELIEF VALVE

4820-01-449-5811 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: SS4R3AG, SS-4R3A-G, 4820-01-449-5811, 01-449-5811, 4820014495811, 014495811

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 OCT 1997 01-449-5811

Drawings & Photos | NSN 4820-01-449-5811


Demand History | NSN 4820-01-449-5811

Part Number Request Date QTY Origin
4820-01-449-5811 2009-03-64 1 DIBBS

Cross Reference | NSN 4820-01-449-5811

Part Number Cage Code Manufacturer
SS-4R3A-G 02570 SWAGELOK COMPANY DBA USE CAGE CODE 3T9T9 FOR
SS-4R3A-G 18034 NUPRO CO
SS-4R3A-G 1N7V5 SCIOTO VALVE & FITTING CO.
SS-4R3A-G 51213 SCIOTO VALVE AND FITTING CO

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Technical Data | NSN 4820-01-449-5811

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE WATER, FRESH 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
SPECIAL FEATURES 1/4 IN.SWAGELOK END CONNECTIONS;ADJUSTABLE PRESSURE RANGE,4000-5000 PSI;W/ADJUSTMENT CAP
III END ITEM IDENTIFICATION 4920-01-393-4305

Restrictions/Controls & Freight Information | NSN 4820-01-449-5811

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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