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Safety Relief Valve NSN 4820-01-232-8028

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 4820-01-232-8028 NSN: 4820-01-232-8028

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
8 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
Valve Size
1.500 inches
Opening Pressure Setting
1210.0 pounds per square inch
Outside Diameter
7.375 inches all ends
Thickness
1.438 inches all ends
First Connection Face To Centerline Distance
4.500 inches
Bolt Hole Diameter
0.875 inches all ends
Second Connection Face To Centerline Distance
4.125 inches
Bolt Circle Diameter
5.750 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
2.875 inches all ends
Material
Stainless steel body
Media For Which Designed
Water-oil-gas single response
Style Designator
C1a angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
012328028
NSN
4820012328028

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
J0-45-A 1D2 121
Cage Code:
15187
Status:
A
MSDS:
Part Number:
HV-120 JO-45-A 1D2 1210PSI
Cage Code:
15187
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 4820-01-232-8028
What are the manufacturers of nsn 4820012328028?
Does this nsn 4820012328028 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012328028
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 4820012328028 contain any precious metals?
No precious metal content.
Does nsn 4820012328028 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012328028?
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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