NSN 4820-01-178-2939
Velocity Fuse
About this product
Poppet flow control device, 1.0 gallons per minute valve discharge flow rate, g45 flareless (tube) all ends connection style, valve operation method: automatic.
Manufacturer part number 2R2934 for national stock number 4820011782939.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-178-2939.
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MPN or Model
2R2934
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Class
3a all ends -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Valve Discharge Flow Rate
1.0 gallons per minute -
Maximum Operating Temp
275.0 degrees fahrenheit single response -
Connection Style
G45 flareless (tube) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube all ends -
Thready Qty Per Inch (tpi)
20 2nd end -
Maximum Operating Pressure
140.0 pounds per square inch single response -
Thread Size
0.562 inches 1st end -
Seat Angle
12.0 degrees all ends -
Opening Pressure Setting
120.0 pounds per square inch -
Material
Aluminum alloy 2024 body -
Material Specification
Qq-a-225/6 federal specification single material response body -
Media For Which Designed
Oil, hydraulic single response -
Surface Treatment
Anodize -
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response -
Style Designator
Err-090 -
Thread Series Designator
Unjf all ends
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Safety Relief Valve
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.
Pricing and Availability
Get a quote for 4820-01-178-2939 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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2R2934 | Crissair, Inc. |
TE20521 | Naval Air Development Center |
Stock Check
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