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Oxygen Syste Safety Relief Valve NSN 4820-01-325-5375

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 4820-01-325-5375 NSN: 4820-01-325-5375

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Connection Type
Unthreaded internal pipe all ends
Maximum Operating Pressure
75.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Cleaning and packaging per mil-std-1330d
FSC
4820 Nonpowered Valves
NIIN
013255375
NSN
4820013255375

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9887-K-51-M-.003
Cage Code:
01343
Status:
A
MSDS:
Part Number:
9887-K-51-M-.003CP
Cage Code:
03950
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 4820-01-325-5375
What are the manufacturers of nsn 4820013255375?
Does this nsn 4820013255375 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013255375
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 4820013255375 contain any precious metals?
No precious metal content.
Does nsn 4820013255375 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013255375?
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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