Product Details | SAFETY RELIEF VALVE

4820-00-152-1239 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: MC25773800, MC2577-3800, MC60143800, MC6014-3800, 128SCH1623, 128SCH162-3, 4820-00-152-1239, 00-152-1239, 4820001521239, 001521239

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 FEB 1971 00-152-1239

Drawings & Photos | NSN 4820-00-152-1239


Demand History | NSN 4820-00-152-1239

Part Number Request Date QTY Origin
MC2577-3800 2024-05-142 1 DIBBS
4820-00-152-1239 2018-10-295 5 DIBBS
4820-00-152-1239 2018-10-284 5 DIBBS
4820-00-152-1239 2018-08-221 2 DIBBS
4820-00-152-1239 2016-05-136 7 DIBBS
4820-00-152-1239 2015-09-258 12 DIBBS
4820-00-152-1239 2015-07-211 14 DIBBS
4820-00-152-1239 2015-01-29 4 DIBBS
4820-00-152-1239 2014-05-141 1 DIBBS
4820-00-152-1239 2014-05-126 4 DIBBS
4820-00-152-1239 2013-08-240 8 DIBBS
4820-00-152-1239 2012-09-254 15 DIBBS
4820-00-152-1239 2012-07-202 4 DIBBS
4820-00-152-1239 2012-04-117 3 DIBBS
4820-00-152-1239 2012-04-100 12 DIBBS
4820-00-152-1239 2012-02-39 3 DIBBS
4820-00-152-1239 2012-01-25 1 DIBBS
4820-00-152-1239 2012-01-20 1 DIBBS
4820-00-152-1239 2012-01-03 5 DIBBS
4820-00-152-1239 2011-08-217 4 DIBBS
4820-00-152-1239 2011-05-143 2 DIBBS

Cross Reference | NSN 4820-00-152-1239

Part Number Cage Code Manufacturer
128SCH162-3 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
MC2577-3800 76050 EATON AEROSPACE LLC M C AEROSPACE DIV
MC6014-3800 76050 EATON AEROSPACE LLC M C AEROSPACE DIV

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Technical Data | NSN 4820-00-152-1239

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR C3 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP -65.0 DEG FAHRENHEIT 1ST RESPONSE 275.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G42 FLARED 1ST END
SEAT ANGLE 37.0 DEGREES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.437 INCHES 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-152-1239

Category Code Description
Shelf-Life Code:Y180 months
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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 KE Naval ICP
Philadelphia, PA 19111
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 4820-00-152-1239

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life CodeY180 months
Purchasing QTY
UOM
1
EA : Each