Product Details | SAFETY RELIEF VALVE

4820-01-181-5764 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: 104636, 10-4636, 953834, 95-3834, 95-38-34, 4820-01-181-5764, 01-181-5764, 4820011815764, 011815764

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 JUN 1984 01-181-5764

Drawings & Photos | NSN 4820-01-181-5764


Demand History | NSN 4820-01-181-5764

Part Number Request Date QTY Origin
95-3834 2023-07-212 17 DIBBS
95-38-34 2023-07-212 17 DIBBS
95-3834 2023-07-201 17 DIBBS
95-38-34 2023-07-201 17 DIBBS
95-3834 2021-01-14 17 DIBBS
95-38-34 2021-01-14 17 DIBBS
4820-01-181-5764 2017-07-199 26 DIBBS
4820-01-181-5764 2015-07-189 23 DIBBS
4820-01-181-5764 2013-05-121 23 DIBBS
4820-01-181-5764 2011-09-273 28 DIBBS
4820-01-181-5764 2011-05-143 29 DIBBS

Cross Reference | NSN 4820-01-181-5764

Part Number Cage Code Manufacturer
10-4636 38379 MARKET FORGE INDUSTRIES INC
95-38-34 38379 MARKET FORGE INDUSTRIES INC
95-3834 38379 MARKET FORGE INDUSTRIES INC

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Technical Data | NSN 4820-01-181-5764

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE 450.0 POUNDS PER HOUR
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
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 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
OPENING PRESSURE SETTING 15.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 ADAPTER AND 2 TAILPIECE

Restrictions/Controls & Freight Information | NSN 4820-01-181-5764

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 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 4820-01-181-5764

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 Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each