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Safety Relief Valve NSN 4820-00-231-2308

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 4820-00-231-2308 NSN: 4820-00-231-2308

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 2nd end
Maximum Operating Temp
650.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Features Provided
Valve stem lock shield and bonnet packing
Valve Size
3.000 inches
Maximum Operating Pressure
600.0 pounds per square inch single response
Opening Pressure Setting
500.0 pounds per square inch
Outside Diameter
8.250 inches 1st end
Thickness
1.250 inches 1st end
First Connection Face To Centerline Distance
8.688 inches
Bolt Hole Diameter
0.875 inches 2nd end
Second Connection Face To Centerline Distance
8.188 inches
Bolt Circle Diameter
9.500 inches 2nd end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
8.500 inches 2nd end
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Reference Number Differentiating Characteristics
As differentiated by flanged connection sizes
FSC
4820 Nonpowered Valves
NIIN
002312308
NSN
4820002312308

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
F6201TTMODEL1553A,3TO6IN
Cage Code:
38056
Status:
A
MSDS:
Part Number:
F6201TT
Cage Code:
38056
Status:
A
MSDS:
Part Number:
S5103-1195450
Cage Code:
80064
Status:
A
MSDS:
Part Number:
S5103-1195451
Cage Code:
80064
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 4820-00-231-2308
What are the manufacturers of nsn 4820002312308?
Does this nsn 4820002312308 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002312308
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 4820002312308 contain any precious metals?
No precious metal content.
Does nsn 4820002312308 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002312308?
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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