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Pressure And Temper Relief Valve NSN 4820-01-201-8121

Item Description

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

NSN 4820-01-201-8121 NSN: 4820-01-201-8121

Features and Characteristics

Body Material
Steel
Stem Material
Steel
Media For Which Designed
Water, fresh
Seat Material
Steel
Flow Control Device
Stem and integral disk
Flow Control Device Material
Steel
Adjustable Pressure Range
+16.0/+21.0 pounds per square inch
FSC
4820 Nonpowered Valves
NIIN
012018121
NSN
4820012018121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9672C91SS
Cage Code:
01343
Status:
A
MSDS:
Part Number:
9672-291FF20-25PSI
Cage Code:
01343
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 4820-01-201-8121
What are the manufacturers of nsn 4820012018121?
Does this nsn 4820012018121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012018121
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. thermostatically operated valves close when the pressure is relieved or the temperature is reduced. fusible plug valves require replacement of the plug. see also valve, safety relief and valve, regulating. temperature.
Does nsn 4820012018121 contain any precious metals?
No precious metal content.
Does nsn 4820012018121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012018121?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16996
FIIG:
A07100
App. Key:
AR
Cond. Code:
1
Status:
A

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