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Lift-check Valve NSN 4820-01-653-9818

Item Description

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

NSN 4820-01-653-9818 NSN: 4820-01-653-9818

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Material will be in accordance with navsup-wss activity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
016539818
NSN
4820016539818

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B316-1-1/2 IN
Cage Code:
82666
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-653-9818
What are the manufacturers of nsn 4820016539818?
Does this nsn 4820016539818 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016539818
A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. in the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. in the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. the valve disk may be spring loaded. see also valve, stop-check and valve, stop-lift-check.
Does nsn 4820016539818 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 4820016539818 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 4820016539818?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27828
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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