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Stop-lift-check Valve NSN 4820-00-349-8968

Item Description

A valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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 third 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, lift-check and valve, stop-check.

NSN 4820-00-349-8968 NSN: 4820-00-349-8968

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Connection Style
Gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Mounting Position
Horizontal
Thread Size
0.625 inches all ends
Special Features
Furnished with a rooler and rod/one position indicator
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, alloy 2024, t6 federal specification single material response
Surface Treatment
Oxide
Style Designator
Straight thru
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
003498968
NSN
4820003498968

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
16500
Cage Code:
05160
Status:
A
MSDS:
Part Number:
10162245
Cage Code:
18876
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 4820-00-349-8968
What are the manufacturers of nsn 4820003498968?
Does this nsn 4820003498968 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003498968
A valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. in the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. in the second 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 third 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, lift-check and valve, stop-check.
Does nsn 4820003498968 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003498968 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003498968?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27829
FIIG:
A530B0
App. Key:
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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