Product Details | SAFETY RELIEF VALVE

4820-01-571-7330 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: CSFLR4820015717330, CS-FLR-4820-01-571-7330 , 87CS1659521316T360PSI, 87CS165-9521-316T360PSI, 4820-01-571-7330, 01-571-7330, 4820015717330, 015717330

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 FEB 2009 01-571-7330

Drawings & Photos | NSN 4820-01-571-7330


Cross Reference | NSN 4820-01-571-7330

Part Number Cage Code Manufacturer
CS-FLR-4820-01-571-7330 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-571-7330

Characteristic Specifications
RENEWABLE SEAT RING TYPE THREADED
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390. ALLOYD4/D FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPE UNTHREADED EXTERNAL PIPE 2ND END
STYLE DESIGNATOR ERR-090
MAXIMUM OPERATING TEMP 334.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES 1ST END
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
BONNET ATTACHMENT METHOD INTEGRAL
CONNECTION STYLE G46B PLAIN (PIPE) 1ST END
MATERIAL COPPER ALLOY 922 OVERALL
FLOW CONTROL DEVICE DISK
DISK LOADING METHOD SPRING
VALVE OPERATION METHOD AUTOMATIC
ADJUSTABLE PRESSURE RANGE +316.0/+360.0 POUNDS PER SQUARE INCH
CONNECTION STYLE G46B PLAIN (PIPE) 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
CONNECTION TYPE UNTHREADED EXTERNAL PIPE 1ST END
BONNET TYPE INSIDE SPRING

Restrictions/Controls & Freight Information | NSN 4820-01-571-7330

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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.
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 4820-01-571-7330

Category Code Description
Cognizance Codes9BNavy-owned stocks of 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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each