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Oxygen System P Regulating Valve NSN 4820-01-539-5789

Item Description

A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes valve, regulating, system pressure; valve regulating, fluid pressure and valve, calibrated flow.

NSN 4820-01-539-5789 NSN: 4820-01-539-5789

Features and Characteristics

End Application
Valve assembly, oxygen-panel-201, isolation; life support equipment ebs manifold installation
Criticality Code Justification
Zzzy
Part Name Assigned By Controlling Agency
Drawing) valve assembly, oxygen-panel-201 isolation
Reference Number Differentiating Characteristics
Material controlled iaw ss800-ag-man-010/p-9290 system certification procedures and criteria manual for deep submergence systems and requires cleaning, packaging, and marking iaw mil-std-1622 or mil-std-1330 as deemed applicable. Critical items for safety and survival of deep submergence research and rescue vehicles as differentiated by special test features.
FSC
4820 Nonpowered Valves
NIIN
015395789
NSN
4820015395789

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5793249 FIND 019
Cage Code:
53711
Status:
A
MSDS:
Part Number:
6394909
Cage Code:
31442
Status:
A
MSDS:
Part Number:
5793249 FIND 019D0
Cage Code:
03950
Status:
A
MSDS:
Part Number:
6394909D0
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: 8481809015
  • NAICS: 332911
  • SITC: 74780
  • Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-539-5789
What are the manufacturers of nsn 4820015395789?
Does this nsn 4820015395789 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015395789
A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. the excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. it is specifically designed and/or cleaned for oxygen systems. excludes valve, regulating, system pressure; valve regulating, fluid pressure and valve, calibrated flow.
Does nsn 4820015395789 contain any precious metals?
No precious metal content.
Does nsn 4820015395789 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015395789?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37940
FIIG:
A21100
App. Key:
D
Cond. Code:
1
Status:
A

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