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Restrictor Check Valve NSN 4820-01-128-1475

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 4820-01-128-1475 NSN: 4820-01-128-1475

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
Flareless 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Mounting Position
Horizontal
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Seat Angle
20.0 degrees 2nd end
Material
Steel comp 630 body
Material Specification
Ams 5643 assn standard single material response body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Straight thru
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
011281475
NSN
4820011281475

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6F3010-109
Cage Code:
99240
Status:
A
MSDS:
Part Number:
74-690106-109
Cage Code:
99240
Status:
A
MSDS:
Part Number:
10124575
Cage Code:
A486G
Status:
A
MSDS:
Part Number:
6F3010
Cage Code:
99240
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 4820-01-128-1475
What are the manufacturers of nsn 4820011281475?
Does this nsn 4820011281475 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011281475
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 4820011281475 contain any precious metals?
No precious metal content.
Does nsn 4820011281475 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011281475?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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