Product Details | SAFETY RELIEF VALVE

4820-01-142-0382 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: D44UU-07 1/2 X 3/4 IN, D44UU0712X34IN, 20234, 202349941SS, 20234-9-941SS, 4820-01-142-0382, 01-142-0382, 4820011420382, 011420382

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 NOV 1982 01-142-0382

Drawings & Photos | NSN 4820-01-142-0382


Demand History | NSN 4820-01-142-0382

Part Number Request Date QTY Origin
4820-01-142-0382 2021-02-56 1 US
4820-01-142-0382 2017-03-89 7 DIBBS
4820-01-142-0382 2016-12-351 7 DIBBS
4820-01-142-0382 2016-12-340 7 DIBBS
4820-01-142-0382 2016-06-173 8 DIBBS
4820-01-142-0382 2015-09-260 8 DIBBS
4820-01-142-0382 2014-12-348 12 DIBBS
4820-01-142-0382 2013-12-355 10 DIBBS
4820-01-142-0382 2013-12-339 10 DIBBS
4820-01-142-0382 2013-10-303 8 DIBBS
4820-01-142-0382 2013-10-288 8 DIBBS
4820-01-142-0382 2009-08-233 12 DIBBS
4820-01-142-0382 2009-05-143 1 DIBBS
4820-01-142-0382 2009-05-134 1 DIBBS
4820-01-142-0382 2009-05-124 1 DIBBS
4820-01-142-0382 2009-03-66 1 DIBBS
4820-01-142-0382 2009-01-12 1 DIBBS

Cross Reference | NSN 4820-01-142-0382

Part Number Cage Code Manufacturer
20234 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20234-9-941SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20234-9-941SS 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-142-0382

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE STEEL COMP 304 SEAT STEEL COMP 303 STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT AISI 303 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE GAS, INERT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 440.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 165.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE 1ST END UNTHREADED INTERNAL TUBE 2ND END
CONNECTION STYLE G21A STREAMLINED WITH ONE BRAZING RING 1ST END G21A STREAMLINED WITH ONE BRAZING RING 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END 0.500 INCHES 2ND END
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
ADJUSTABLE PRESSURE RANGE 166.0 TO 191.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-142-0382

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:UPrecious metal type is unknown
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 4820-01-142-0382

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