Product Details | SAFETY RELIEF VALVE

4820-00-148-8577 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: 15M168, 5120B1MP20018INCH, 5120B1MP200-1-8INCH, 4820-00-148-8577, 00-148-8577, 4820001488577, 001488577

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 MAY 1973 00-148-8577

Drawings & Photos | NSN 4820-00-148-8577


Cross Reference | NSN 4820-00-148-8577

Part Number Cage Code Manufacturer
15M168 98437 ELLIS & WATTS INTERNATIONAL, LLC
5120B1MP200-1-8INCH 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-148-8577

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 300.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G50 EXTERNAL SEAT FOR GASKET SEAL 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.125 INCHES 1ST END 0.125 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.125 INCHES 1ST END 0.125 INCHES 2ND END
THREAD QUANTITY PER INCH 27 1ST END 27 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
ADJUSTABLE PRESSURE RANGE 0.0 TO 2500.0 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 98437
MFR SOURCE CONTROLLING REFERENCE 15M168

Restrictions/Controls & Freight Information | NSN 4820-00-148-8577

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-00-148-8577

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each