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Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 620B-9-8-2 | NSN: 4820-00-113-6014
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-00-113-6014
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) all ends
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Valve stem lock shield and bonnet packing and pressure tight outlet side
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Opening Pressure Setting
1000.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches all ends
Material
Aluminum alloy body
Material
Aluminum alloy seat
Material
Stainless steel flow control device
Media For Which Designed
Water-oil-gas single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Angle
Thread Series Designator
Unjf all ends
620B9 Series Parts

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620B-9-8-2 Cross Reference
  • 64A98C680-1
  • 620B9-8-2
  • 620-9-8