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Safety Relief Valve NSN 4820-01-447-9211

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-01-447-9211 NSN: 4820-01-447-9211

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
End Application
Strategic sealift conversion ships class
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Thread Size
0.125 inches all ends
Opening Pressure Setting
8.0 pounds per square inch
Material
Steel comp 303 flow control device or steel comp 416 flow control device
Material Specification
Mil-r-25897 class 1 military specification single material response seat
Style Designator
Err-090
Thread Series Designator
Anpt all ends
FSC
4820 Nonpowered Valves
NIIN
014479211
NSN
4820014479211

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3150143
Cage Code:
10001
Status:
A
MSDS:
Part Number:
647B-1-1/8-28
Cage Code:
09990
Status:
A
MSDS:
Part Number:
3150143-2
Cage Code:
10001
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-447-9211
What are the manufacturers of nsn 4820014479211?
Does this nsn 4820014479211 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014479211
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820014479211 contain any precious metals?
No precious metal content.
Does nsn 4820014479211 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014479211?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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