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Oxygen Syste Safety Relief Valve NSN 4820-01-321-7253

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 4820-01-321-7253 NSN: 4820-01-321-7253

Features and Characteristics

End Application
Manifold assembly 1a (oxygen) ogp
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Cleaning and packaging per mil-std-1330d
FSC
4820 Nonpowered Valves
NIIN
013217253
NSN
4820013217253

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SV795614-4
Cage Code:
73030
Status:
A
MSDS:
Part Number:
SV799335 FIND 85
Cage Code:
73030
Status:
A
MSDS:
Part Number:
SV795614-4CP
Cage Code:
73030
Status:
A
MSDS:
Part Number:
SV799335 FIND 85CP
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 4820-01-321-7253
What are the manufacturers of nsn 4820013217253?
Does this nsn 4820013217253 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013217253
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 4820013217253 contain any precious metals?
No precious metal content.
Does nsn 4820013217253 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013217253?
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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