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Pressure And Temper Relief Valve NSN 4820-01-381-0122

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 4820-01-381-0122 NSN: 4820-01-381-0122

Features and Characteristics

Body Material
Nickel copper alloy
Body Style
Angle give "adqm" and "adqn" only if flanged one or two ends
Stem Material
Nickel copper alloy
Seat Material
Nickel copper alloy
First Connection Face To Centerline Distance
8.500 inches
Second Connection Face To Centerline Distance
8.250 inches
Flow Control Device
Disk, plug type
End Connection Quantity
2
Opening Pressure Setting
3300.0 pounds per square inch
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Quality controlled iaw navy level 1 assurance guide, cleaned iaw mil-c-52211
FSC
4820 Nonpowered Valves
NIIN
013810122
NSN
4820013810122

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SW118B01E3300
Cage Code:
01343
Status:
A
MSDS:
Part Number:
SW118
Cage Code:
01343
Status:
A
MSDS:
Part Number:
211003041C1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
SW118B01E3300C1
Cage Code:
03950
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 4820-01-381-0122
What are the manufacturers of nsn 4820013810122?
Does this nsn 4820013810122 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013810122
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 4820013810122 contain any precious metals?
No precious metal content.
Does nsn 4820013810122 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013810122?
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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