Product Details | SAFETY RELIEF VALVE

4820-01-566-6981 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: DNX62-1/2X1, DNX6212X1, UCNCNN05XCCE/CD DNX62-1/2X1, UCNCNN05XCCECDDNX6212X1, 4820-01-566-6981, 01-566-6981, 4820015666981, 015666981

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 SEP 2008 01-566-6981

Cross Reference | NSN 4820-01-566-6981

Part Number Cage Code Manufacturer
DNX62-1/2X1 5P967 DANTE VALVE COMPANY INC
DNX62-1/2X1 65079 DANCO VALVE COMPANY
UCNCNN05XCCE/CD DNX62-1/2X1 5P967 DANTE VALVE COMPANY INC
UCNCNN05XCCE/CD DNX62-1/2X1 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-566-6981

Characteristic Specifications
VALVE OPERATION METHOD MANUAL
MATERIAL STEEL BODY
STYLE DESIGNATOR ERR-090
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
OPENING PRESSURE SETTING 100.0 POUNDS PER SQUARE INCH
CONNECTION TYPE FLANGE ALL ENDS
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
DISK LOADING METHOD SPRING
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
END ITEM IDENTIFICATION CVN 70

Restrictions/Controls & Freight Information | NSN 4820-01-566-6981

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-566-6981

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
ReparabilityDField Level Reparables
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