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Lift-check Valve NSN 4820-01-423-2023

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 4820-01-423-2023 NSN: 4820-01-423-2023

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
Navy weapon system code le fire fighting equipment
Connection Style
Socket (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
250.0 pounds per square inch single response
Material
Nickel alloy body
Media For Which Designed
Water, salt single response
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
NIIN
014232023
NSN
4820014232023

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-6983468-ASSY 98
Cage Code:
53711
Status:
A
MSDS:
Part Number:
6983468
Cage Code:
53711
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481309000
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of materials other than copper, iron or steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-423-2023
What are the manufacturers of nsn 4820014232023?
Does this nsn 4820014232023 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014232023
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 4820014232023 contain any precious metals?
No precious metal content.
Does nsn 4820014232023 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014232023?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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