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Restrictor Check Valve NSN 4820-00-518-1172

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 4820-00-518-1172 NSN: 4820-00-518-1172

Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
Plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
24 2nd end
Thread Size
0.562 inches 1st end
Material
Steel comp 630 seat
Material Specification
Qq-s-763 federal specification single material response flow control device
Media For Which Designed
Oil, hydraulic single response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification all treatment responses
Style Designator
Straight thru
Thread Series Designator
Uns 2nd end
Furnished Items And Quantity
1 filter screen
FSC
4820 Nonpowered Valves
NIIN
005181172
NSN
4820005181172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B3050
Cage Code:
50276
Status:
A
MSDS:
Part Number:
7M844-5
Cage Code:
50276
Status:
A
MSDS:
Part Number:
5590-13
Cage Code:
00286
Status:
A
MSDS:
Part Number:
7M844
Cage Code:
76301
Status:
A
MSDS:
Part Number:
68-690101-133
Cage Code:
76301
Status:
A
MSDS:
Part Number:
5590-133
Cage Code:
76301
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 4820-00-518-1172
What are the manufacturers of nsn 4820005181172?
Does this nsn 4820005181172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005181172
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 4820005181172 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005181172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005181172?
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
  •   Quality Fast Service
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