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Pressure And Temper Relief Valve NSN 4820-01-182-0191

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 4820-01-182-0191 NSN: 4820-01-182-0191

Features and Characteristics

Body Material
Steel, federal standard 66, aisi 12l14
Body Style
Straight thru
Stem Material
Steel, aisi 303s
Tempurature Rating
250.0 degrees fahrenheit
Seat Material
Steel, federal standard 66, aisi/sae 4140
Flow Control Device
Poppet
Flow Control Device Material
Steel, federal standard 66, aisi/sae 4140
FSC
4820 Nonpowered Valves
NIIN
011820191
NSN
4820011820191

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6581-3/4S2-2
Cage Code:
09990
Status:
A
MSDS:
Part Number:
6543D057-1
Cage Code:
36334
Status:
A
MSDS:
Part Number:
65856-0102-1000
Cage Code:
86768
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 4820-01-182-0191
What are the manufacturers of nsn 4820011820191?
Does this nsn 4820011820191 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011820191
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 4820011820191 contain any precious metals?
No precious metal content.
Does nsn 4820011820191 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011820191?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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