Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-206-0835 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: AS053001, AS0530-01, 15053220, 1505-3220, 4820-01-206-0835, 01-206-0835, 4820012060835, 012060835

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 APR 1985 01-206-0835

Drawings & Photos | NSN 4820-01-206-0835


Demand History | NSN 4820-01-206-0835

Part Number Request Date QTY Origin
1505-3220 2025-09-259 1 DIBBS
1505-3220 2025-08-215 1 DIBBS
1505-3220 2025-07-202 1 DIBBS
1505-3220 2024-07-204 1 DIBBS
1505-3220 2024-07-193 1 DIBBS
1505-3220 2024-01-04 1 DIBBS
1505-3220 2020-09-261 1 DIBBS
4820-01-206-0835 2014-02-54 4 DIBBS
4820-01-206-0835 2009-08-226 2 DIBBS

Cross Reference | NSN 4820-01-206-0835

Part Number Cage Code Manufacturer
1505-3220 94874 DROITCOUR COMPANY
AS0530-01 71724 JOHN CRANE INC

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Technical Data | NSN 4820-01-206-0835

Characteristic Specifications
BODY STYLE A1 STRAIGHT THRU
BODY MATERIAL STEEL, CORROSION RESISTING
SEAT MATERIAL STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE STEM AND INTEGRAL DISK
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL TUBE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES NOMINAL
FIRST END THREAD CLASS 2B
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
MEDIA FOR WHICH DESIGNED HYDROCARBON FUELS AND OILS
TEMP RATING 275.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE 16.0 GALLONS PER MINUTE
ADJUSTABLE PRESSURE RANGE 2300.0 TO 3850.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-206-0835

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-206-0835

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each