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Lift-check Valve NSN 4820-00-679-1649

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 4820-00-679-1649 NSN: 4820-00-679-1649

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
Double compression (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Mounting Position
Horizontal
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Special Features
Stem turns 60 degrees tolift disk
Material
Stainless steel stem
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
006791649
NSN
4820006791649

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68-44-1
Cage Code:
98391
Status:
A
MSDS:
Part Number:
697129-3
Cage Code:
98897
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 4820-00-679-1649
What are the manufacturers of nsn 4820006791649?
Does this nsn 4820006791649 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006791649
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 4820006791649 contain any precious metals?
No precious metal content.
Does nsn 4820006791649 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006791649?
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
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