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

Stop-check Valve NSN 4820-01-256-3579

Item Description

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN 4820-01-256-3579 NSN: 4820-01-256-3579

Features and Characteristics

Flow Control Device
Disk
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Manual
Flange Shape
Round all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
4.000 inches
Maximum Operating Pressure
200.0 pounds per square inch single response
Outside Diameter
9.250 inches all ends
Thickness
1.000 inches all ends
First Connection Face To Centerline Distance
7.500 inches
Second Connection Face To Centerline Distance
7.500 inches
Flange Face Design
Plain all ends
Material
Nickel alloy flow control device
Media For Which Designed
Oil 2nd response
Style Designator
Angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
012563579
NSN
4820012563579

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N10446SCM 4IN.
Cage Code:
62650
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481301090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of copper having a pressure rating of 850 kpa or over
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-256-3579
What are the manufacturers of nsn 4820012563579?
Does this nsn 4820012563579 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012563579
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. in the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. in the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. the valve disk may be spring loaded. it may be inline or cartridge (manifold) design. see also valve (1), lift-check and valve (1), stop-lift-check.
Does nsn 4820012563579 contain any precious metals?
No precious metal content.
Does nsn 4820012563579 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012563579?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
App. Key:
Cond. Code:
2
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