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Safety Relief Valve NSN 4820-01-621-6213

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 4820-01-621-6213 NSN: 4820-01-621-6213

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Features and Characteristics

Thread Direction
Right-hand 1st end
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Connection Style
Plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Valve Size
0.50 inches
Thread Size
0.50 inches 2nd end
Opening Pressure Setting
50.0 pounds per square inch
Special Features
Inlet connection 1/2-inch male npt thread, outlet connection 1/2-inch female npt thread
Material
Copper alloy body
Material Specification
Brass mfr ref single material response body
Media For Which Designed
Steam single response
Surface Treatment
Chromium
Surface Treatment Specification
Satin chrome mfr ref single treatment response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
016216213
NSN
4820016216213

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10512S50
Cage Code:
72219
Status:
A
MSDS:
Part Number:
KE54941-31
Cage Code:
13059
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 4820-01-621-6213
What are the manufacturers of nsn 4820016216213?
Does this nsn 4820016216213 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016216213
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 4820016216213 contain any precious metals?
No precious metal content.
Does nsn 4820016216213 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016216213?
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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