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Stop-check Valve NSN 4820-00-762-1212

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 4820-00-762-1212 NSN: 4820-00-762-1212

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Features and Characteristics

Pipe Size Accommodated
4.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Pressure seal, ring type
Maximum Operating Temp
775.0 degrees fahrenheit single response
Connection Style
Beveled (pipe) all ends
Valve Operation Method
Manual
Connection Type
Butt weld pipe all ends
Mounting Position
Horizontal
Features Provided
Bonnet packing
Maximum Operating Pressure
900.0 pounds per square inch single response
Special Features
Valve size 4 in.
Material
Steel seat
Material Specification
Mil-r-17131, mil-rcocr-a military specification single material response seat
Style Designator
Straight thru
Test Data Document
81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
D composition
FSC
4820 Nonpowered Valves
NIIN
007621212
NSN
4820007621212

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3508-X4
Cage Code:
37239
Status:
A
MSDS:
Part Number:
6043U-63-982
Cage Code:
37239
Status:
A
MSDS:
Part Number:
MILV22052C0MPDC
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-V-22052
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-V-22052D
Cage Code:
81349
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 4820-00-762-1212
What are the manufacturers of nsn 4820007621212?
Does this nsn 4820007621212 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007621212
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 4820007621212 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007621212 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007621212?
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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