Product Details | SAFETY RELIEF VALVE

4820-00-622-0166 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: R4438, 8330739, 4820-00-622-0166, 00-622-0166, 4820006220166, 006220166

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-622-0166

Drawings & Photos | NSN 4820-00-622-0166


Cross Reference | NSN 4820-00-622-0166

Part Number Cage Code Manufacturer
8330739 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
R4438 51501 ROGERS BROTHERS CORPORATION

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Technical Data | NSN 4820-00-622-0166

Characteristic Specifications
MATERIAL STEEL BODY STEEL SEAT
STYLE DESIGNATOR C6 STRAIGHT THRU
FLOW CONTROL DEVICE DIAPHRAGM
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 0.250 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AIR
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G46B PLAIN 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.375 INCHES 1ST END
THREAD QUANTITY PER INCH 18 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-622-0166

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.
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