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Safety Relief Valve NSN 4820-01-131-7648

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 4820-01-131-7648 NSN: 4820-01-131-7648

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
End Application
Los angeles class ss (688)
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.500 inches
Adjustable Pressure Range
+30.0/+34.0 pounds per square inch
Outside Diameter
3.500 inches all ends
Thickness
0.438 inches all ends
First Connection Face To Centerline Distance
3.250 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
3.250 inches
Bolt Circle Diameter
2.375 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
1.375 inches all ends
Material
Steel uns j03002 body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011317648
NSN
4820011317648

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CKCNN04LCC
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
20138H01S0030
Cage Code:
15187
Status:
A
MSDS:
Part Number:
CKCNN04SCC
Cage Code:
65079
Status:
A
MSDS:
Part Number:
20138
Cage Code:
01343
Status:
A
MSDS:
Part Number:
20138F51
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 4820-01-131-7648
What are the manufacturers of nsn 4820011317648?
Does this nsn 4820011317648 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011317648
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 4820011317648 contain any precious metals?
No precious metal content.
Does nsn 4820011317648 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011317648?
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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  •   Quality Inspected Parts
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