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Safety Relief Valve NSN 4820-01-220-6601

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 4820-01-220-6601 NSN: 4820-01-220-6601

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
2.500 inches
Adjustable Pressure Range
+72.0 to 86.0 pounds per square inch
Outside Diameter
5.000 inches 2nd end
Thickness
0.860 inches 2nd end
First Connection Face To Centerline Distance
6.000 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
4.875 inches
Bolt Circle Diameter
5.500 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.060 inches all ends
Raised Face Diameter
4.120 inches 1st end
Material
Nickel alloy seat
Style Designator
C1a angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
012206601
NSN
4820012206601

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SPECIAL CZSNN06SGJ 1-1/2X2-1/2
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
R10AH5K513-CS1
Cage Code:
34889
Status:
A
MSDS:
Part Number:
D49661 PT R10AH5K513-CS1
Cage Code:
34889
Status:
A
MSDS:
Part Number:
D49661
Cage Code:
34889
Status:
A
MSDS:
Part Number:
CZSNN06SGJ 1-1/2X2-1/2
Cage Code:
5P967
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 4820-01-220-6601
What are the manufacturers of nsn 4820012206601?
Does this nsn 4820012206601 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012206601
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 4820012206601 contain any precious metals?
No precious metal content.
Does nsn 4820012206601 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012206601?
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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