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Restrictor Check Valve NSN 4820-00-283-3822

Item Description

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

NSN 4820-00-283-3822 NSN: 4820-00-283-3822

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Major End Items End items to which 4820-00-283-3822 is a component of

  • 16N Viking S-3b Aircraft
  • 44N Sh-60b Lamps Mark Iii Helicopter
  • 63N Orion P-3 Aircraft
  • YLN H-60 Seahawk Helicopter

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
275.0 degrees fahrenheit 2nd response
Connection Style
Flareless all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees all ends
Material
Steel comp 630
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Surface Treatment
Passivate
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
FSC
4820 Nonpowered Valves
NIIN
002833822
NSN
4820002833822

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4R121-105
Cage Code:
82829
Status:
A
MSDS:
Part Number:
6F2962-105
Cage Code:
99240
Status:
A
MSDS:
Part Number:
749831-105
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: 8481302090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-283-3822
What are the manufacturers of nsn 4820002833822?
Does this nsn 4820002833822 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002833822
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. it does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Does nsn 4820002833822 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002833822 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002833822?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20520
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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