Product Details | SAFETY RELIEF VALVE

4820-01-226-2005 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: 9875, 9875 0 TO 15 PSI, 98750TO15PSI, 4820-01-226-2005, 01-226-2005, 4820012262005, 012262005

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 FEB 1986 01-226-2005

Drawings & Photos | NSN 4820-01-226-2005


Cross Reference | NSN 4820-01-226-2005

Part Number Cage Code Manufacturer
9875 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9875 0 TO 15 PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-226-2005

Characteristic Specifications
MATERIAL STEEL COMP 1008 STEM
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED STEAM 3RD RESPONSE
BOLT HOLE NOMINAL DIAMETER 0.625 INCHES 2ND END
NOMINAL THICKNESS 0.344 INCHES 2ND END
FURNISHED ITEMS AND QUANTITY 1 LEVER
BOLT HOLE QUANTITY 4 2ND END
ADJUSTABLE PRESSURE RANGE +0.0 TO 15.0 POUNDS PER SQUARE INCH
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES 1ST END
MEDIA FOR WHICH DESIGNED GAS, INERT 2ND RESPONSE
CONNECTION TYPE FLANGE 2ND END
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL COPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER 3.875 INCHES 2ND END
BONNET ATTACHMENT METHOD THREADED
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE
FLOW CONTROL DEVICE DISK
BOLT CIRCLE NOMINAL DIAMETER 2.750 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 2ND END
STYLE DESIGNATOR C1 ANGLE
CONNECTION STYLE SOCKET 1ST END
DISK LOADING METHOD SPRING
VALVE OPERATION METHOD AUTOMATIC
FLANGE SHAPE ROUND WITH HOLES 2ND END
CONNECTION TYPE UNTHREADED INTERNAL PIPE 1ST END
MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
BONNET TYPE INSIDE SCREW

Restrictions/Controls & Freight Information | NSN 4820-01-226-2005

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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

Management | NSN 4820-01-226-2005

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each