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Restrictor Check Valve NSN 4820-01-012-6847

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 4820-01-012-6847 NSN: 4820-01-012-6847

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Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
B49a gasket seal (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 all ends
Thread Size
0.718 inches all ends
Criticality Code Justification
Feat
Special Features
Weapon system essential
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Uns all ends
FSC
4820 Nonpowered Valves
NIIN
010126847
NSN
4820010126847

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68B690101-139
Cage Code:
76301
Status:
A
MSDS:
Part Number:
5590-139
Cage Code:
18355
Status:
A
MSDS:
Part Number:
7M845-3
Cage Code:
76301
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 4820-01-012-6847
What are the manufacturers of nsn 4820010126847?
Does this nsn 4820010126847 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010126847
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 4820010126847 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010126847 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010126847?
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

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