Product Details | SAFETY RELIEF VALVE

4820-00-595-2945 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: VA76101A, VA7613A, VA7936A, 54372DB, 4820-00-595-2945, 00-595-2945, 4820005952945, 005952945

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-595-2945

Drawings & Photos | NSN 4820-00-595-2945


Cross Reference | NSN 4820-00-595-2945

Part Number Cage Code Manufacturer
54372DB 31007 NAVISTAR INTL CORP
54372DB 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION
VA76101A 01843 AMBAC INTERNATIONAL CORPORATION
VA7613A 01843 AMBAC INTERNATIONAL CORPORATION
VA7936A 01843 AMBAC INTERNATIONAL CORPORATION

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Technical Data | NSN 4820-00-595-2945

Characteristic Specifications
MATERIAL STEEL BODY STEEL FLOW CONTROL DEVICE STEEL SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL TUBE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G11 DOUBLE COMPRESSION 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR NPTF 2ND END
NOMINAL THREAD SIZE 0.250 INCHES 2ND END
THREAD QUANTITY PER INCH 18 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 17.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES MEDIA-NOT SPECIFIED

Restrictions/Controls & Freight Information | NSN 4820-00-595-2945

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: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 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