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Restrictor Check Valve NSN 4820-01-052-9688

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 4820-01-052-9688 NSN: 4820-01-052-9688

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Mounting Position
Horizontal or vertical
Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 2nd end
Material
Iron cast flow control device
Style Designator
Straight thru
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
010529688
NSN
4820010529688

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
K-1221-8-10
Cage Code:
55469
Status:
A
MSDS:
Part Number:
37C301075P105
Cage Code:
99207
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 4820-01-052-9688
What are the manufacturers of nsn 4820010529688?
Does this nsn 4820010529688 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010529688
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 4820010529688 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010529688 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010529688?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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