Product Details | SAFETY RELIEF VALVE

4820-00-493-9260 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: 5120T2M600, 5357961, 535796-1, 4820-00-493-9260, 00-493-9260, 4820004939260, 004939260

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 OCT 1970 00-493-9260

Drawings & Photos | NSN 4820-00-493-9260


Cross Reference | NSN 4820-00-493-9260

Part Number Cage Code Manufacturer
5120T2M600 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
535796-1 96214 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 4820-00-493-9260

Characteristic Specifications
MATERIAL STEEL COMP 303 BODY STEEL COMP 303 AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE STEEL COMP 303 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE BODY 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE 66 FED STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR B7 TEE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE G46B PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.125 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
OPENING PRESSURE SETTING 600.0 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 91816
DESIGN CONTROL REFERENCE 5120T2M600

Restrictions/Controls & Freight Information | NSN 4820-00-493-9260

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 CL U.S. Army Communications-Electronics
Fort Monmouth, NJ 07703-5006
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