NSN 4820-01-268-0598
Velocity Fuse
About this product
Disk flow control device, spring disk loading method, g9 plain, optional en (pipe) 2nd end connection style, connection type: threaded internal pipe 2nd end.
Manufacturer part number 1856M-OL-1/2X3/4-80PSI for national stock number 4820012680598.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-268-0598.
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MPN or Model
1856M-OL-1/2X3/4-80PSI
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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 -
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
80.0 pounds per square inch -
Material
Copper alloy -
Media For Which Designed
Air single response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end -
Specification Data
96906-mil-std-129 government standard and 96906-mil-std-767 government standard and 96906-aor-767-1 government standard and 81348-mil-i-45208 government specification -
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specificating
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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.
![Mechanic Bill explains Velocity Fuse](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-268-0598 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
1856M-OL-1/2X3/4-80PSI | Curtiss-wright Flow Control |
18252-F(80PSI) | Curtiss-wright Flow Control |
1896M-OL-1/2X3/4-80PSI(SPCLN) | Curtiss-wright Flow Control |
1856M-OL-1/2X3/4-80PSI | Curtiss-wright Flow Control |
18252-F(80PSI) | Curtiss-wright Flow Control |
1896M-OL-1/2X3/4-80PSI(SPCLN) | Curtiss-wright Flow Control |
Stock Check
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