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Safety Relief Valve NSN 4820-01-018-1722

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 4820-01-018-1722 NSN: 4820-01-018-1722

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
45.0 gallons per minute
Renewable Seat Ring Type
Pressed-in
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Features Provided
Bonnet packing and pressure tight outlet side
Adjustable Pressure Range
+1500.0/+3000.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Material
Steel seat
Media For Which Designed
Oil, hydraulic single response
Surface Treatment
Paint
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
010181722
NSN
4820010181722

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
99AD1679-13-101
Cage Code:
11945
Status:
A
MSDS:
Part Number:
CT-06-F-40
Cage Code:
62983
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 4820-01-018-1722
What are the manufacturers of nsn 4820010181722?
Does this nsn 4820010181722 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010181722
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 4820010181722 contain any precious metals?
No precious metal content.
Does nsn 4820010181722 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010181722?
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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