Product Details | SAFETY RELIEF VALVE

4820-00-852-5267 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: AM136S49127ALT2PC140, AM136S49-127ALT2PC140, AM136S49130ALT2PC140, AM136S49-130ALT2PC140, AM136S49140ALT2PC140, AM136S49-140ALT2PC140, AM351S4902503287ALT1PC140, AM351S4902-503287ALT1PC140, AM351S490250329ALT1PC140, AM351S4902-50329ALT1PC140, AM351S4902503300ALT1PC140, AM351S4902-503300ALT1PC140, S49013154489PC117, S4901-3154489PC117, YMS135S4913PC140, YMS135S49-13PC140, YMS135S4918PC140, YMS135S49-18PC140, YMS135S4973PC140, YMS135S49-73PC140, FIG20 1/2INCH 76 175PSI, FIG20 1-2IN, FIG2012IN, FIG2012INCH76175PSI, 100001, 10801PC140, 10804PC140, 10814PC140, 12003PC117, 12014PC117, 20-1/2X1/2-155PSI, 2012X12155PSI, 3155547PC117, 5801PC140, 5804PC140, 5814PC140, 6301PC140, 6304PC140, 6314PC140, 658, 7701PC140, 7704PC140, 4820-00-852-5267, 00-852-5267, 4820008525267, 008525267

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 NOV 1966 00-852-5267

Drawings & Photos | NSN 4820-00-852-5267


Demand History | NSN 4820-00-852-5267

Part Number Request Date QTY Origin
658 2013-08-229 10 Canada
4820-00-852-5267 2012-03-68 4 United States

Cross Reference | NSN 4820-00-852-5267

Part Number Cage Code Manufacturer
100001 79466 AESYS TECHNOLOGIES, L.L.C. DBA JACKSON & CHURCH HVAC GLOBAL
10801PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
10804PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
10814PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
12003PC117 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
12014PC117 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
20-1/2X1/2-155PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
3155547PC117 53711 NAVAL SEA SYSTEMS COMMAND
5801PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
5804PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
5814PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
6301PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
6304PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
6314PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
658 37239 LUNKENHEIMER CO
7701PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
7704PC140 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
AM136S49-127ALT2PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM136S49-127ALT2PC140 80064 NAVAL SHIP SYSTEMS COMMAND
AM136S49-130ALT2PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM136S49-130ALT2PC140 80064 NAVAL SHIP SYSTEMS COMMAND
AM136S49-140ALT2PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM136S49-140ALT2PC140 80064 NAVAL SHIP SYSTEMS COMMAND
AM351S4902-503287ALT1PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM351S4902-503287ALT1PC140 80064 NAVAL SHIP SYSTEMS COMMAND
AM351S4902-50329ALT1PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM351S4902-50329ALT1PC140 80064 NAVAL SHIP SYSTEMS COMMAND
AM351S4902-503300ALT1PC140 53711 NAVAL SEA SYSTEMS COMMAND
AM351S4902-503300ALT1PC140 80064 NAVAL SHIP SYSTEMS COMMAND
FIG20 1-2IN 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
FIG20 1/2INCH 76 175PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
S4901-3154489PC117 53711 NAVAL SEA SYSTEMS COMMAND
S4901-3154489PC117 80064 NAVAL SHIP SYSTEMS COMMAND
YMS135S49-13PC140 53711 NAVAL SEA SYSTEMS COMMAND
YMS135S49-13PC140 80064 NAVAL SHIP SYSTEMS COMMAND
YMS135S49-18PC140 53711 NAVAL SEA SYSTEMS COMMAND
YMS135S49-18PC140 80064 NAVAL SHIP SYSTEMS COMMAND
YMS135S49-73PC140 53711 NAVAL SEA SYSTEMS COMMAND
YMS135S49-73PC140 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-852-5267

Characteristic Specifications
MATERIAL BRONZE OVERALL
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE G46B PLAIN 1ST END G9 PLAIN 2ND END
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 155.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD

Restrictions/Controls & Freight Information | NSN 4820-00-852-5267

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-852-5267

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
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.
Echelon Identification CodeBConsumable Repair Parts
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 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
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