Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-00-080-2870 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: AP6414, AP9013D, AP-9013-D, AP9013-D, 2450, 40XL8, 40XL9, 993832, 99383-2, 4820-00-080-2870, 00-080-2870, 4820000802870, 000802870

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 NOV 1972 00-080-2870

Drawings & Photos | NSN 4820-00-080-2870


Demand History | NSN 4820-00-080-2870

Part Number Request Date QTY Origin
40XL8 2025-10-287 27 DIBBS
40XL8 2025-05-147 27 DIBBS
4820-00-080-2870 2025-05-133 27 DIBBS
40XL8 2024-01-16 27 DIBBS
40XL8 2024-01-04 27 DIBBS
40XL8 2023-01-26 20 DIBBS
40XL8 2022-09-250 4 DIBBS
40XL8 2022-08-223 5 DIBBS
40XL8 2022-04-94 11 DIBBS
40XL8 2022-03-79 11 DIBBS
40XL8 2022-01-31 11 DIBBS
40XL8 2022-01-25 11 DIBBS
40XL8 2022-01-18 11 DIBBS
40XL8 2021-11-319 5 DIBBS
40XL8 2021-10-304 5 DIBBS
40XL8 2021-07-199 4 DIBBS
4820-00-080-2870 2018-08-235 4 DIBBS
4820-00-080-2870 2018-02-53 4 DIBBS
4820-00-080-2870 2017-08-226 4 DIBBS
4820-00-080-2870 2017-08-215 4 DIBBS
4820-00-080-2870 2016-11-319 2 DIBBS
4820-00-080-2870 2016-10-305 2 DIBBS
4820-00-080-2870 2016-09-258 1 DIBBS

Cross Reference | NSN 4820-00-080-2870

Part Number Cage Code Manufacturer
2450 42892 SMITH A O CORP CONSUMER PRODUCTS DIV
40XL8 17702 RHEEM MFG CO WATER HEATER DIV
40XL8 50741 RHEEM MFG CO
40XL9 92657 RHEEM MFG CO
99383-2 51384 R.W. BECKETT CORPORATION DIV BECKETT ENERGY SYSTEMS
AP-9013-D 50741 RHEEM MFG CO
AP6414 92657 RHEEM MFG CO
AP9013-D 17702 RHEEM MFG CO WATER HEATER DIV

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Technical Data | NSN 4820-00-080-2870

Characteristic Specifications
BODY STYLE A7 ANGLE
BODY MATERIAL BRASS
SEAT MATERIAL BRASS
FLOW CONTROL DEVICE DISK, TOP GUIDED
FLOW CONTROL DEVICE MATERIAL BRASS
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED EXTERNAL PIPE
SECOND END STYLE DESIGNATOR G11 PLAIN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES
SECOND END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED WATER, FRESH
TEMP RATING 210.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE NOT RATED
BULB LENGTH 8.000 INCHES NOMINAL
BULB DIAMETER 0.250 INCHES NOMINAL
TEMP CONTROL DEVICE TYPE THERMOSTATIC
OPENING PRESSURE SETTING 150.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS MANUAL OPERATING DEVICE

Restrictions/Controls & Freight Information | NSN 4820-00-080-2870

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 4820-00-080-2870

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 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