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Oxygen System Check Valve NSN 4820-01-287-4859

Item Description

An item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also valve, check; valve, stop-check.

NSN 4820-01-287-4859 NSN: 4820-01-287-4859

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Requires special cleaning and packaging for oxygen/nitrogen service
FSC
4820 Nonpowered Valves
NIIN
012874859
NSN
4820012874859

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
284-3/8INCP
Cage Code:
03950
Status:
A
MSDS:
Part Number:
284-3/8IN
Cage Code:
D1776
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-287-4859
What are the manufacturers of nsn 4820012874859?
Does this nsn 4820012874859 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012874859
An item permitting flow in one direction only. it does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. it is specifically designed and/or cleaned for oxygen systems. see also valve, check; valve, stop-check.
Does nsn 4820012874859 contain any precious metals?
No precious metal content.
Does nsn 4820012874859 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012874859?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37942
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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