Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-142-9149 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: 2534, 6565105088, 65651-05088, 65651-05088-101, 4820-01-142-9149, 01-142-9149, 4820011429149, 6565105088101, 011429149

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 NOV 1982 01-142-9149

Drawings & Photos | NSN 4820-01-142-9149


Cross Reference | NSN 4820-01-142-9149

Part Number Cage Code Manufacturer
2534 06177 PNEUDRAULICS, INC.
65651-05088 78286 SIKORSKY AIRCRAFT CORPORATION
65651-05088-101 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 4820-01-142-9149

Characteristic Specifications
BODY MATERIAL STEEL, CORROSION RESISTING, 304, CRYOLAB DIV OF CRYENCO
FLOW CONTROL DEVICE ANY ACCEPTABLE
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL TUBE
FIRST END STYLE DESIGNATOR G14 GASKET SEAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES NOMINAL
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE UNTHREADED EXTERNAL TUBE
SECOND END STYLE DESIGNATOR K2 GROOVED
TEMP ADJUSTABILITY ADJUSTABLE
TEMP RATING 275.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE 3.0 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE THERMOSTATIC

Restrictions/Controls & Freight Information | NSN 4820-01-142-9149

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 4820-01-142-9149

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 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