Product Details | SAFETY RELIEF VALVE

4820-00-095-2040 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: 13500560, 135-00560, 211421, 667536, 4820-00-095-2040, 00-095-2040, 4820000952040, 000952040

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-095-2040

Drawings & Photos | NSN 4820-00-095-2040


Cross Reference | NSN 4820-00-095-2040

Part Number Cage Code Manufacturer
135-00560 01276 EATON-AEROQUIP INC DIV FLUID CONNECTORS PRODUCTS
135-00560 79470 DANA CORP WEATHERHEAD DIV
211421 81982 HYDRO-AIRE, INC.
667536 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-00-095-2040

Characteristic Specifications
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 85.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END
CONNECTION STYLE G4 GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.437 INCHES 1ST END
THREAD QUANTITY PER INCH 20 1ST END
THREAD CLASS 3B 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
RENEWABLE SEAT RING TYPE BONDED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 3.5 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
MANUFACTURERS CODE 98897
MFR SOURCE CONTROLLING REFERENCE 667536

Restrictions/Controls & Freight Information | NSN 4820-00-095-2040

Category Code Description
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.
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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code XX
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