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Pressure And Temper Relief Valve NSN 4820-00-851-9479

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 4820-00-851-9479 NSN: 4820-00-851-9479

Features and Characteristics

Body Material
Steel, aisi 304
Body Style
Single connection angle flow
Stem Material
Steel, aisi 304
Tempurature Rating
250.0 degrees fahrenheit
Media For Which Designed
Water, fresh
First End Connection Type
Butt weld pipe
First End Style Designator
Beveled
First End Pipe Size Accommodated
0.500 inches
Second End Relationship With First End
Identical
Seat Material
Steel, aisi 304
Flow Control Device
Piston, free type
Flow Control Device Material
Steel, aisi 304
End Connection Quantity
2
Adjustable Pressure Range
+200.0/+3500.0 pounds per square inch
Tempurature Adjustability
Not adjustable
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control centeractivity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
008519479
NSN
4820008519479

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
131363-400
Cage Code:
24374
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 4820-00-851-9479
What are the manufacturers of nsn 4820008519479?
Does this nsn 4820008519479 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008519479
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 4820008519479 contain any precious metals?
No precious metal content.
Does nsn 4820008519479 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008519479?
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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