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Safety Relief Valve NSN 4820-01-022-3870

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 4820-01-022-3870 NSN: 4820-01-022-3870

  Stock Availability

NSN 4820010223870 availability
(as of 02/07/2023).

  • AR: 1
  • NS: 1
  • NE: 3

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Pipe Size Accommodated
1.500 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
1200.0 pounds per hour
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Power Drive Operating Pressure
15.0 pounds per square inch
Maximum Operating Pressure
15.0 pounds per square inch single response
Thread Size
1.250 inches 2nd end
Opening Pressure Setting
15.0 pounds per square inch
Material
Rubber chloroprene class cr seat
Media For Which Designed
Steam single response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
010223870
NSN
4820010223870

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
92568
Cage Code:
61495
Status:
A
MSDS:
Part Number:
FIGURE1168
Cage Code:
61495
Status:
A
MSDS:
Part Number:
13-213-08
Cage Code:
72219
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 4820-01-022-3870
What are the manufacturers of nsn 4820010223870?
Does this nsn 4820010223870 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010223870
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 4820010223870 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010223870 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010223870?
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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