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Restrictor Check Valve NSN 4820-00-272-2256

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 4820-00-272-2256 NSN: 4820-00-272-2256

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Connection Style
Flareless 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Seat Angle
12.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Stainless steel
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Style Designator
Straight thru
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
002722256
NSN
4820002722256

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2R0141-2
Cage Code:
26044
Status:
A
MSDS:
Part Number:
749870-103
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 4820-00-272-2256
What are the manufacturers of nsn 4820002722256?
Does this nsn 4820002722256 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002722256
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 4820002722256 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002722256 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002722256?
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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