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Stop-check Valve NSN 4820-01-420-7982

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 4820-01-420-7982 NSN: 4820-01-420-7982

Features and Characteristics

Maximum Operating Temp
225.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
End Application
Wasp class lhd
Connection Style
Plain (tube) all ends
Valve Operation Method
Manual
Connection Type
Threaded external tube all ends
Mounting Position
Vertical
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.188 inches all ends
Special Features
Removable handle
Material
Steel comp 316 stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Thread Series Designator
Un all ends
FSC
4820 Nonpowered Valves
NIIN
014207982
NSN
4820014207982

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
580-1-H AND PL-5443C
Cage Code:
99565
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481301090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of copper having a pressure rating of 850 kpa or over
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-420-7982
What are the manufacturers of nsn 4820014207982?
Does this nsn 4820014207982 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014207982
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 4820014207982 contain any precious metals?
No precious metal content.
Does nsn 4820014207982 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014207982?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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