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Check Valve NSN 4820-00-303-0559

Item Description

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

NSN 4820-00-303-0559 NSN: 4820-00-303-0559

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
Flared (tube) 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
0.438 inches all ends
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
003030559
NSN
4820003030559

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
259A4TT
Cage Code:
91816
Status:
A
MSDS:
Part Number:
P299A4TT
Cage Code:
91816
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481309000
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of materials other than copper, iron or steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-303-0559
What are the manufacturers of nsn 4820003030559?
Does this nsn 4820003030559 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003030559
A valve permitting flow in one direction only. it does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. it may be inline or cartridge (manifold) design.
Does nsn 4820003030559 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003030559 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003030559?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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