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Safety Relief Valve NSN 4820-00-203-6245

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 4820-00-203-6245 NSN: 4820-00-203-6245

Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
450.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+1.0/+250.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
103.0 pounds per square inch
Outside Diameter
7.000 inches all ends
Bolt Hole Diameter
0.750 inches all ends
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy body
Media For Which Designed
Steam single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
002036245
NSN
4820002036245

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
L2220C-NMP154-101T140
Cage Code:
15187
Status:
A
MSDS:
Part Number:
D5517B
Cage Code:
37239
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 4820-00-203-6245
What are the manufacturers of nsn 4820002036245?
Does this nsn 4820002036245 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002036245
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 4820002036245 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002036245 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002036245?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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