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Oxygen Syste Safety Relief Valve NSN 4820-01-577-4875

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 4820-01-577-4875 NSN: 4820-01-577-4875

Features and Characteristics

End Application
Lox tank
Criticality Code Justification
Zzzy
Part Name Assigned By Controlling Agency
Relief valve assembly, lox tank
Reference Number Differentiating Characteristics
Cleaning, packaging, and marking iaw mil-std-1330d.
FSC
4820 Nonpowered Valves
NIIN
015774875
NSN
4820015774875

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
793281-001 OXYGEN CLEAN
Cage Code:
75906
Status:
A
MSDS:
Part Number:
792888 ITEM 11
Cage Code:
75906
Status:
A
MSDS:
Part Number:
793281-001 OXYGEN CLEANCP
Cage Code:
03950
Status:
A
MSDS:
Part Number:
792888 ITEM 11CP
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 4820-01-577-4875
What are the manufacturers of nsn 4820015774875?
Does this nsn 4820015774875 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015774875
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 4820015774875 contain any precious metals?
No precious metal content.
Does nsn 4820015774875 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015774875?
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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  •   Certificate of Conformance
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