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Safety Relief Valve NSN 4820-01-252-4586

Item Description

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.

NSN 4820-01-252-4586 NSN: 4820-01-252-4586

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Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
100.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.750 inches
Adjustable Pressure Range
+507.0/+565.0 pounds per square inch
Maximum Operating Pressure
1480.0 pounds per square inch single response
Outside Diameter
4.625 inches 1st end
Thickness
0.625 inches 1st end
First Connection Face To Centerline Distance
3.310 inches
Bolt Hole Diameter
0.750 inches 1st end
Second Connection Face To Centerline Distance
3.250 inches
Bolt Circle Diameter
3.125 inches 2nd end
Flange Face Design
Raised straight all ends
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
2.000 inches 2nd end
Material
Stainless steel stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012524586
NSN
4820012524586

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NMP1137 0PTI0N
Cage Code:
75954
Status:
A
MSDS:
Part Number:
DL050CNMP11370PTC507T565RG
Cage Code:
01343
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-252-4586
What are the manufacturers of nsn 4820012524586?
Does this nsn 4820012524586 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012524586
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.
Does nsn 4820012524586 contain any precious metals?
No precious metal content.
Does nsn 4820012524586 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012524586?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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