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Safety Relief Valve NSN 4820-01-270-6205

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 4820-01-270-6205 NSN: 4820-01-270-6205

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Features and Characteristics

Pipe Size Accommodated
0.250 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
180.0 degrees fahrenheit single response
End Application
Usns henry j. Kaiser class tao
Connection Style
G31 gasket seal (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+751.0/+1100.0 pounds per square inch
Maximum Operating Pressure
1500.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Opening Pressure Setting
751.0 pounds per square inch
Material
Stainless steel stem
Style Designator
Err-090
Furnished Items And Quantity
2 tailpiece
Reference Number Differentiating Characteristics
Requires special cleaning and packaging iaw mil-c-52211, for oxygen/nitrogen/hydrogen service
FSC
4820 Nonpowered Valves
NIIN
012706205
NSN
4820012706205

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
E8712-14C51M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
E8712-14C51MCP
Cage Code:
0ASY6
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 4820-01-270-6205
What are the manufacturers of nsn 4820012706205?
Does this nsn 4820012706205 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012706205
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 4820012706205 contain any precious metals?
No precious metal content.
Does nsn 4820012706205 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012706205?
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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