Vent-check Valve NSN 4820-01-308-5197
Item Description
A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.
NSN: 4820-01-308-5197
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Features and Characteristics
Bolt Hole Quantity
8 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Mounting Position
Vertical
Outside Diameter
9.000 inches 1st end
Thickness
0.938 inches 1st end
Bolt Hole Diameter
0.750 inches 1st end
Bolt Circle Diameter
7.500 inches 1st end
Flange Face Design
Plain 1st end
Special Features
Flame screen and cover
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
Manufacturer Part Numbers
Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-25F 4.00IN
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 4820-01-308-5197
What are the manufacturers of nsn 4820013085197?
|
Does this nsn 4820013085197 have a shelf life?
No. This NSN does not have an applicable shelf life. |
What is the formal definition of nsn 4820013085197
A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. it acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. it is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover. |
Does nsn 4820013085197 contain any precious metals?
No precious metal content. |
Does nsn 4820013085197 contain any hazardous materials?
No MSDS. No hazardous material. |
What is the ESD classification of nsn 4820013085197?
No known electrostatic discharge. |
Identification Group
Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
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