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Oxygen Syste Safety Relief Valve NSN 4820-01-345-0274

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 4820-01-345-0274 NSN: 4820-01-345-0274

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
End Application
Aircraft model av-8
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.125 inches 1st end
Special Features
2.896 in. Lg
Material
Copper alloy
Media For Which Designed
Oxygen, gaseous 1st responseoxygen, liquid 2nd response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
013450274
NSN
4820013450274

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1779AS175-2
Cage Code:
30003
Status:
A
MSDS:
Part Number:
5133B-1MP-150 02CLEAN
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 4820-01-345-0274
What are the manufacturers of nsn 4820013450274?
Does this nsn 4820013450274 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013450274
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 4820013450274 contain any precious metals?
No precious metal content.
Does nsn 4820013450274 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013450274?
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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