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Fire Check Valve NSN 4820-01-582-6722

Item Description

A valve which works on a thermostatic principle to stop and extinguish backfire in gas-air pipelines by utilizing the heat generated by the fire to actuate the mechanism which closes the valve. It also contains a swing check on the inlet connection which closes immediately upon shock caused by backfire, shutting off the gas-air mixture. It is designed for installation in a pipeline to feed gas-air mixtures to burners and the like.

NSN 4820-01-582-6722 NSN: 4820-01-582-6722

Features and Characteristics

Special Features
Valve, fill port check
FSC
4820 Nonpowered Valves
NIIN
015826722
NSN
4820015826722

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-W-83420 TY1COMPB
Cage Code:
81349
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-582-6722
What are the manufacturers of nsn 4820015826722?
Does this nsn 4820015826722 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015826722
A valve which works on a thermostatic principle to stop and extinguish backfire in gas-air pipelines by utilizing the heat generated by the fire to actuate the mechanism which closes the valve. it also contains a swing check on the inlet connection which closes immediately upon shock caused by backfire, shutting off the gas-air mixture. it is designed for installation in a pipeline to feed gas-air mixtures to burners and the like.
Does nsn 4820015826722 contain any precious metals?
No precious metal content.
Does nsn 4820015826722 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015826722?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16997
FIIG:
A07100
App. Key:
AH
Cond. Code:
1
Status:
A

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