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Safety Relief Valve NSN 4820-01-202-5588

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 4820-01-202-5588 NSN: 4820-01-202-5588

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
406.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
4.000 inches
Maximum Operating Pressure
250.0 pounds per square inch single response
Thread Size
4.000 inches 1st end
Opening Pressure Setting
72.0 pounds per square inch
Outside Diameter
9.000 inches 2nd end
Thickness
1.062 inches 1st end
First Connection Face To Centerline Distance
6.812 inches
Bolt Hole Diameter
0.875 inches 1st end
Second Connection Face To Centerline Distance
6.438 inches
Bolt Circle Diameter
7.500 inches 2nd end
Flange Face Design
Plain 2nd end
Material
Bronze body
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
012025588
NSN
4820012025588

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BGSKK05SMM
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
GBFGLM
Cage Code:
75954
Status:
A
MSDS:
Part Number:
A1944
Cage Code:
75954
Status:
A
MSDS:
Part Number:
44W206.5CXL-A1944-4X4 SET72PSI
Cage Code:
75954
Status:
A
MSDS:
Part Number:
A1944-4X4 CXL565T72PSI
Cage Code:
75954
Status:
A
MSDS:
Part Number:
DX52FF-05-04
Cage Code:
65079
Status:
A
MSDS:
Part Number:
CBFGLM
Cage Code:
01343
Status:
A
MSDS:
Part Number:
GBFBLM
Cage Code:
01343
Status:
A
MSDS:
Part Number:
GBFGLM22-AS0072
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 4820-01-202-5588
What are the manufacturers of nsn 4820012025588?
Does this nsn 4820012025588 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012025588
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 4820012025588 contain any precious metals?
No precious metal content.
Does nsn 4820012025588 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012025588?
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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  •   Quality Inspected Parts
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