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Pressure And Temper Relief Valve NSN 4820-00-488-5521

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 4820-00-488-5521 NSN: 4820-00-488-5521

Features and Characteristics

Body Material
Bronze
Body Style
Angle give "adqm" and "adqn" only if flanged one or two ends
Tempurature Rating
300.0 degrees fahrenheit
Opening Pressure Setting
6.0 pounds per square inch
Tempurature Adjustability
Not adjustable
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Cleaning, packaging, and marking iaw mil-std-1330d
FSC
4820 Nonpowered Valves
NIIN
004885521
NSN
4820004885521

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3200591-3
Cage Code:
11243
Status:
A
MSDS:
Part Number:
3200591-3CP
Cage Code:
03950
Status:
A
MSDS:
Part Number:
1876MR-0LCP
Cage Code:
03950
Status:
A
MSDS:
Part Number:
1876MR-0L
Cage Code:
72352
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 4820-00-488-5521
What are the manufacturers of nsn 4820004885521?
Does this nsn 4820004885521 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004885521
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 4820004885521 contain any precious metals?
No precious metal content.
Does nsn 4820004885521 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004885521?
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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