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Safety Relief Valve NSN 4820-00-287-3023

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 4820-00-287-3023 NSN: 4820-00-287-3023

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
300.0 degrees fahrenheit single response
Connection Style
Plain (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe all ends
Adjustable Pressure Range
+35.0/+45.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Material
Copper alloy
Media For Which Designed
Steam single response
Style Designator
Straight thru
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
002873023
NSN
4820002873023

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FIG1-3/4IN.35-45 PSI
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 4820-00-287-3023
What are the manufacturers of nsn 4820002873023?
Does this nsn 4820002873023 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002873023
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 4820002873023 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002873023 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002873023?
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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