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Safety Relief Valve NSN 4820-00-790-2413

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 4820-00-790-2413 NSN: 4820-00-790-2413

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
4 all ends
Width
2.312 inches all ends
Length
2.312 inches all ends
Valve Operation Method
Automatic
Flange Shape
Rectangular with holes all ends
Connection Type
Flange all ends
Valve Size
1.125 inches
Opening Pressure Setting
270.0 pounds per square inch
Face To Face Distance
6.437 inches
Thickness
0.547 inches all ends
Bolt Hole Diameter
0.375 inches all ends
Center To Center Distance Between Bolt Holes Along Length
1.625 inches all ends
Center To Center Distance Between Bolt Holes Along Width
1.625 inches all ends
Flange Face Design
Plain 1st end
Material
Rubber synthetic flow control device
Media For Which Designed
Refrigerant 12 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
007902413
NSN
4820007902413

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B518J
Cage Code:
28193
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 4820-00-790-2413
What are the manufacturers of nsn 4820007902413?
Does this nsn 4820007902413 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007902413
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 4820007902413 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007902413 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007902413?
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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