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Oxygen Syste Safety Relief Valve NSN 4820-01-356-0508

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 or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See valve, safety relief.

NSN 4820-01-356-0508 NSN: 4820-01-356-0508

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Thread Size
0.250 inches all ends
Opening Pressure Setting
175.0 pounds per square inch
Material
Copper alloy body
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
013560508
NSN
4820013560508

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B9422N-175
Cage Code:
06023
Status:
A
MSDS:
Part Number:
1827AS117
Cage Code:
30003
Status:
A
MSDS:
Part Number:
1827AS117-1
Cage Code:
1W820
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 4820-01-356-0508
What are the manufacturers of nsn 4820013560508?
Does this nsn 4820013560508 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013560508
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it is specifically designed and/or cleaned for oxygen systems. see valve, safety relief.
Does nsn 4820013560508 contain any precious metals?
No precious metal content.
Does nsn 4820013560508 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013560508?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37941
FIIG:
A046B0
App. Key:
AP
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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