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Stop-check Valve NSN 4820-01-031-9966

Item Description

A valve with a bolt or stem that may be mechanically actuated to two 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN 4820-01-031-9966 NSN: 4820-01-031-9966

Features and Characteristics

Pipe Size Accommodated
2.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Disk Loading Method
Weight
Connection Style
Socket (pipe) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
600.0 pounds per square inch single response
Special Features
Disk stellited
Material
Steel comp 316 stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Angle
Supplementary Features
This item has been reviewed for asbestos material; the current approved sources; 57574 have indicated their part number contained asbestos prior to 19 84, they continue to manufacture the same part number without asbestos material after 1984
FSC
4820 Nonpowered Valves
NIIN
010319966
NSN
4820010319966

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
W8-285B13MS
Cage Code:
57574
Status:
A
MSDS:
Part Number:
33310.3C
Cage Code:
57574
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 4820-01-031-9966
What are the manufacturers of nsn 4820010319966?
Does this nsn 4820010319966 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010319966
A valve with a bolt or stem that may be mechanically actuated to two 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. the valve disk may be spring loaded. it may be inline or cartridge (manifold) design. see also valve (1), lift-check and valve (1), stop-lift-check.
Does nsn 4820010319966 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010319966 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010319966?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
App. Key:
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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