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Safety Relief Valve NSN 4820-01-233-8957

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 4820-01-233-8957 NSN: 4820-01-233-8957

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Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Adjustable Pressure Range
+900.0/+1200.0 pounds per square inch
Outside Diameter
6.000 inches 2nd end
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
5.500 inches 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.188 inches 1st end
Material
Steel body
Media For Which Designed
Hydraulic fluid, mineral base single response
FSC
4820 Nonpowered Valves
NIIN
012338957
NSN
4820012338957

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MXL508 PIECE 11
Cage Code:
65090
Status:
A
MSDS:
Part Number:
MXL508
Cage Code:
97384
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 4820-01-233-8957
What are the manufacturers of nsn 4820012338957?
Does this nsn 4820012338957 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012338957
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 4820012338957 contain any precious metals?
No precious metal content.
Does nsn 4820012338957 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012338957?
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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