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Stop-check Valve NSN 4820-00-432-1665

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 4820-00-432-1665 NSN: 4820-00-432-1665

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Features and Characteristics

Pipe Size Accommodated
0.375 inches all ends
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Maximum Operating Temp
775.0 degrees fahrenheit single response
Connection Style
Socket (pipe) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Features Provided
Bonnet packing
Maximum Operating Pressure
1500.0 pounds per square inch single response
Material
Steel seat
Material Specification
Mil-r-17131, mil-rcocr-a military specification single material response seat
Media For Which Designed
Steam single response
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
NIIN
004321665
NSN
4820004321665

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C322-1B2
Cage Code:
11859
Status:
A
MSDS:
Part Number:
S807-6
Cage Code:
1GZ83
Status:
A
MSDS:
Part Number:
MILV22094
Cage Code:
81349
Status:
A
MSDS:
Part Number:
C322-1-B
Cage Code:
11859
Status:
A
MSDS:
Part Number:
882039341
Cage Code:
11859
Status:
A
MSDS:
Part Number:
C322-1-BREVA
Cage Code:
11859
Status:
A
MSDS:
Part Number:
S807-6 CID 882039188
Cage Code:
1GZ83
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 4820-00-432-1665
What are the manufacturers of nsn 4820004321665?
Does this nsn 4820004321665 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004321665
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 4820004321665 contain any precious metals?
No precious metal content.
Does nsn 4820004321665 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004321665?
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

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