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Lift-check Valve NSN 4820-01-251-7440

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 4820-01-251-7440 NSN: 4820-01-251-7440

Features and Characteristics

Pipe Size Accommodated
5.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Packing retaining
Maximum Operating Temp
800.0 degrees fahrenheit single response
Connection Style
Beveled (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Butt weld pipe all ends
Mounting Position
Vertical
Maximum Operating Pressure
3750.0 pounds per square inch single response
Material
Steel uns k03504
Material Specification
Astm a105 assn standard single material response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
012517440
NSN
4820012517440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-V-18436E,TY
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MC-045-D 5.00IN
Cage Code:
61661
Status:
A
MSDS:
Part Number:
FIG NO. 7415WFS-3
Cage Code:
61661
Status:
A
MSDS:
Part Number:
MC-045-D
Cage Code:
61661
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481302090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-251-7440
What are the manufacturers of nsn 4820012517440?
Does this nsn 4820012517440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012517440
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 4820012517440 contain any precious metals?
No precious metal content.
Does nsn 4820012517440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012517440?
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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