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Safety Relief Valve NSN 4820-00-789-8338

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 4820-00-789-8338 NSN: 4820-00-789-8338

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.125 inches 1st end
Opening Pressure Setting
8.0 pounds per square inch
Material
Aluminum alloy 2024 body or aluminum alloy 2017 body
Material Specification
Qq-a-200/3, alloy2024, t4 federal specification 1st material response body or qq-a-225/5, alloy 2017, t4 federal specification 2nd material response body
Media For Which Designed
Oxygen, gaseous 3rd response
Surface Treatment
Anodize or chromate
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
007898338
NSN
4820007898338

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2303787PC1
Cage Code:
10001
Status:
A
MSDS:
Part Number:
524A-1M-8
Cage Code:
91816
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 4820-00-789-8338
What are the manufacturers of nsn 4820007898338?
Does this nsn 4820007898338 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007898338
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 4820007898338 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007898338 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007898338?
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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