NSN 4820-01-268-0594
Velocity Fuse
About this product
Clean per mil-std-767 and aor-767-1; inspect per mil-i-45208; ship per mil-std-129.
Manufacturer part number 1856M-OL-1/2X3/4-20PSI for national stock number 4820012680594.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-268-0594.
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MPN or Model
1856M-OL-1/2X3/4-20PSI
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
5 lb -
Thread Direction
Right-hand 1st end -
Flow Control Device
Disk -
Bonnet Type
Inside screw -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Maximum Operating Temp
450.0 degrees fahrenheit single response -
Connection Style
G9 plain, optional en (pipe) 2nd end -
Connection Type
Threaded internal pipe 2nd end -
Maximum Operating Pressure
300.0 pounds per square inch single response -
Thread Size
0.750 inches 2nd end -
Criticality Code Justification
Zzzy -
Opening Pressure Setting
20.0 pounds per square inch -
Material
Copper alloy -
Media For Which Designed
Air 2nd response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end -
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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 4820-01-268-0594 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
1856M-OL-1/2X3/4-20PSI | Curtiss-wright Flow Control |
18252-F(20PSI) | Curtiss-wright Flow Control |
1896M-OL-1/2X3/4-20PSI(SPCLN) | Curtiss-wright Flow Control |
1856M-OL-1/2X3/4-20PSI | Curtiss-wright Flow Control |
18252-F(20PSI) | Curtiss-wright Flow Control |
1896M-OL-1/2X3/4-20PSI(SPCLN) | Curtiss-wright Flow Control |
Stock Check
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