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Stop-check Valve NSN 4820-01-494-7418

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 4820-01-494-7418 NSN: 4820-01-494-7418

Features and Characteristics

Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
1.000 inches
Outside Diameter
4.250 inches all ends
Face To Face Distance
5.000 inches
Thickness
0.438 inches all ends
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
3.125 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
2.000 inches all ends
Part Name Assigned By Controlling Agency
Valve, globe, stop check
Material
Steel comp 316
Style Designator
Straight through flanged ends
FSC
4820 Nonpowered Valves
NIIN
014947418
NSN
4820014947418

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1 INCH 21F-C8M4
Cage Code:
61661
Status:
A
MSDS:
Part Number:
1 INCH 21F-C8M4-SC (55)
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 4820-01-494-7418
What are the manufacturers of nsn 4820014947418?
Does this nsn 4820014947418 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014947418
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 4820014947418 contain any precious metals?
No precious metal content.
Does nsn 4820014947418 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014947418?
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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