Product Details | SAFETY RELIEF VALVE

4820-01-159-3272 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: D49272, R10AF1J109, 4820-01-159-3272, 01-159-3272, 4820011593272, 011593272

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 AUG 1983 01-159-3272

Drawings & Photos | NSN 4820-01-159-3272


Demand History | NSN 4820-01-159-3272

Part Number Request Date QTY Origin
4820-01-159-3272 2013-08-232 1 DIBBS

Cross Reference | NSN 4820-01-159-3272

Part Number Cage Code Manufacturer
D49272 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AF1J109 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 4820-01-159-3272

Characteristic Specifications
MATERIAL NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.469 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.625 INCHES
VALVE SIZE 1.000 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED LIQUID, INGESTED SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 5.062 INCHES 1ST END 6.500 INCHES 2ND END
NOMINAL THICKNESS 0.438 INCHES 1ST END 0.438 INCHES 2ND END
BOLT HOLE QUANTITY 4 1ST END 6 2ND END
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES 1ST END 0.562 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 3.125 INCHES 1ST END 4.438 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 1ST END PLAIN 2ND END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 33.0 TO 40.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-159-3272

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 4820-01-159-3272

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
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