Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-343-7284 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: 158 P/L5052B 47, 158 P/L5052B 470T1700PSI, 158 P/L5052B 470T1700PSIVM, 158P/L5797 367T1488PSI, 158PL5052B47, 158PL5052B470T1700PSI, 158PL5052B470T1700PSIVM, 158PL5797367T1488PSI, 4820-01-343-7284, 01-343-7284, 4820013437284, 013437284

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 AUG 1991 01-343-7284

Drawings & Photos | NSN 4820-01-343-7284


Cross Reference | NSN 4820-01-343-7284

Part Number Cage Code Manufacturer
158 P/L5052B 47 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
158 P/L5052B 470T1700PSI 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
158 P/L5052B 470T1700PSIVM 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
158P/L5797 367T1488PSI 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING

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Technical Data | NSN 4820-01-343-7284

Characteristic Specifications
BODY STYLE A7 ANGLE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 1.940 INCHES NOMINAL
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 2.060 INCHES NOMINAL
BODY MATERIAL COPPER ALLOY
SEAT MATERIAL STEEL
FLOW CONTROL DEVICE ANY ACCEPTABLE
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE PLAIN FACE FLANGE
FIRST END STYLE DESIGNATOR M1 PLAIN
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING NOT RATED
VALVE DISCHARGE FLOW RATE NOT RATED
ADJUSTABLE PRESSURE RANGE 470.0 TO 1700.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
III END ITEM IDENTIFICATION AIR SUPPLY GENERAL
MANUFACTURERS CODE 99565
DESIGN CONTROL REFERENCE 158 P/L5052B 470T1700PSI

Restrictions/Controls & Freight Information | NSN 4820-01-343-7284

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.
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 P 77.5
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 4820-01-343-7284

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDVMEquipment and/or parts requiring special material control and quality assurance which support the non-magnetic signature of minesweepers.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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