Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-459-6788 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: M5132N4ML15, M5132N4ML150, 7245940, 7245940 FIND 35, 7245940FIND35, 4820-01-459-6788, 01-459-6788, 4820014596788, 014596788

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 OCT 1998 01-459-6788

Drawings & Photos | NSN 4820-01-459-6788


Demand History | NSN 4820-01-459-6788

Part Number Request Date QTY Origin
M5132N-4M(L)-150 ASME 2024-08-242 32 DIBBS
M5132N-4M(L)-150 ASME 2024-01-25 34 DIBBS
M5132N-4M(L)-150 ASME 2023-10-297 20 DIBBS
M5132N-4M(L)-150 ASME 2023-10-285 20 DIBBS
M5132N-4M(L)-150 ASME 2023-02-37 30 DIBBS
M5132N-4M(L)-150 ASME 2023-01-26 30 DIBBS
M5132N-4M(L)-150 ASME 2022-03-81 32 DIBBS
M5132N-4M(L)-150 ASME 2022-03-69 13 DIBBS
M5132N-4M(L)-150 ASME 2020-10-282 32 DIBBS
4820-01-459-6788 2016-03-84 64 DIBBS
4820-01-459-6788 2016-03-73 64 DIBBS
4820-01-459-6788 2015-07-210 53 DIBBS
4820-01-459-6788 2015-03-85 21 DIBBS
7245940 2013-04-104 14
4820-01-459-6788 2012-12-338 19 DIBBS
4820-01-459-6788 2012-11-332 0 DIBBS
4820-01-459-6788 2012-08-240 12 DIBBS
4820-01-459-6788 2012-08-235 12 DIBBS
4820-01-459-6788 2011-09-271 12 DIBBS
4820-01-459-6788 2011-02-53 12 DIBBS
4820-01-459-6788 2010-12-361 19 DIBBS
4820-01-459-6788 2010-09-251 14 DIBBS

Cross Reference | NSN 4820-01-459-6788

Part Number Cage Code Manufacturer
7245940 53711 NAVAL SEA SYSTEMS COMMAND
7245940 FIND 35 53711 NAVAL SEA SYSTEMS COMMAND
M5132N-4M(L)-15 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
M5132N-4M(L)-150 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-459-6788

Characteristic Specifications
BODY STYLE A42 ANGLE W/OFFSET
OFFSET DISTANCE 7.220 INCHES NOMINAL
BODY MATERIAL STEEL
FLOW CONTROL DEVICE ANY ACCEPTABLE
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR NPT
FIRST END NOMINAL THREAD SIZE 0.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
TEMP RATING NOT RATED
VALVE DISCHARGE FLOW RATE NOT RATED
TEMP CONTROL DEVICE TYPE THERMOSTATIC
OPENING PRESSURE SETTING 50.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE NOT RATED
III END ITEM IDENTIFICATION END ITEMAIR BOOSTER,PUMP

Restrictions/Controls & Freight Information | NSN 4820-01-459-6788

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 4820-01-459-6788

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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 Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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
ReparabilityDField Level Reparables
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 Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each