ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Restrictor Check Valve NSN 4820-01-159-4523

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 4820-01-159-4523 NSN: 4820-01-159-4523

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Connection Style
Gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
18 1st end
Thread Size
0.562 inches 2nd end
Criticality Code Justification
Feat
Special Features
Installation of jam nut and torque to 10 inch pounds; flight safety critical
Material
Aluminum alloy
Style Designator
Straight thru
Thread Series Designator
Unjs 2nd end
FSC
4820 Nonpowered Valves
NIIN
011594523
NSN
4820011594523

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51H9221-5
Cage Code:
61174
Status:
A
MSDS:
Part Number:
6125-8
Cage Code:
06177
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 4820-01-159-4523
What are the manufacturers of nsn 4820011594523?
Does this nsn 4820011594523 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011594523
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 4820011594523 contain any precious metals?
No precious metal content.
Does nsn 4820011594523 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011594523?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo