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Restrictor Check Valve NSN 4820-00-640-5635

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 4820-00-640-5635 NSN: 4820-00-640-5635

  Stock Availability

NSN 4820006405635 availability
(as of 12/08/2023).

  • NE: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Pipe Size Accommodated
1.000 inches 2nd end
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Connection Style
Plain (tube) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
14 1st end
Maximum Operating Pressure
10.0 pounds per square inch single response
Thread Size
1.000 inches 2nd end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
1.000 inches 1st end
Material
Rubber synthetic packing
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Un 1st end
FSC
4820 Nonpowered Valves
NIIN
006405635
NSN
4820006405635

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1116-516436
Cage Code:
92003
Status:
A
MSDS:
Part Number:
633757
Cage Code:
98897
Status:
A
MSDS:
Part Number:
525L
Cage Code:
92003
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 4820-00-640-5635
What are the manufacturers of nsn 4820006405635?
Does this nsn 4820006405635 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006405635
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 4820006405635 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006405635 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006405635?
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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