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

Safety Relief Valve

Model / MPN: 4541-4 | NSN: 4820-00-555-0000
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
4820-00-555-0000
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
Packing retaining
Disk Loading Method
Spring
Valve Discharge Flow Rate
2.5 gallons per minute
Maximum Operating Temp
160.0 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
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Opening Pressure Setting
1500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Aluminum alloy 2024 body
Material
Stainless steel flow control device
Material
Stainless steel seat
Material Specification
Qq-a-225/6, alloy 2024 federal specification single material response body
Media For Which Designed
Hydraulic fluid, mineral base single response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
4541 Series Parts

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4541-4 Cross Reference
  • 7545956
  • 7545956
  • 313345-1500
  • 7545956