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Safety Relief Valve NSN 4820-01-363-2100

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 4820-01-363-2100 NSN: 4820-01-363-2100

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
6 all ends
Maximum Operating Temp
425.0 degrees fahrenheit 1st response150.0 degrees fahrenheit 2nd response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.500 inches
Maximum Operating Pressure
150.0 pounds per square inch 1st response250.0 pounds per square inch 2nd response
Outside Diameter
5.062 inches all ends
Thickness
0.812 inches all ends
First Connection Face To Centerline Distance
4.750 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
4.750 inches
Bolt Circle Diameter
3.938 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy bodynickel alloy flow control devicenickel alloy seatnickel alloy stem
Media For Which Designed
Steam 1st responsewater-oil-gas 2nd response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
013632100
NSN
4820013632100

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20318 ASSY 20318
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20318QS41M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20318
Cage Code:
01343
Status:
A
MSDS:
Part Number:
20318 ASSY 20318QS41M
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 4820-01-363-2100
What are the manufacturers of nsn 4820013632100?
Does this nsn 4820013632100 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013632100
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 4820013632100 contain any precious metals?
No precious metal content.
Does nsn 4820013632100 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013632100?
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
  •   Quality Fast Service
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