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Lift-check Valve NSN 4820-00-945-9308

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 4820-00-945-9308 NSN: 4820-00-945-9308

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside screw
Bonnet Attachment Method
Pressure seal, ring type
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
3000.0 degrees fahrenheit single response
Connection Style
Flare (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Mounting Facility
Threaded fastener
Mounting Position
Horizontal
Features Provided
Valve stem lock shield
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Stainless steel stem
Material Specification
Qq-a-225/6, alloy 2024 federal specification single material response body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Enamel
Style Designator
Straight thru
Test Data Document
70236-t1175 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
009459308
NSN
4820009459308

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5904
Cage Code:
70236
Status:
A
MSDS:
Part Number:
32-691550-23
Cage Code:
76301
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 4820-00-945-9308
What are the manufacturers of nsn 4820009459308?
Does this nsn 4820009459308 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009459308
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 4820009459308 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009459308 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009459308?
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
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