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Pressure And Temper Relief Valve NSN 4820-00-504-2650

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 4820-00-504-2650 NSN: 4820-00-504-2650

Features and Characteristics

Body Material
Aluminum alloy, qq-a-225/6, alloy 2024, t6
Outside Surface Treatment
Anodized, mil-a-8625
Tempurature Rating
275.0 degrees fahrenheit
Media For Which Designed
Hydraulic fluid, phosphate-ester base
Seat Material
Aluminum alloy, qq-a-225/6, alloy 2024, t6
Flow Control Device
Poppet
Flow Control Device Material
Steel, corrosion resisting, qq-s-763, class 410
Opening Pressure Setting
300.0 pounds per square inch
Valve Discharge Flow Rate
56.0 gallons per minute
Bulb Length
7.870 inches
Tempurature Adjustability
Not adjustable
Tempurature Control Device Type
Thermostatic
Reference Number Differentiating Characteristics
As differentiated by the source control dwg no.
FSC
4820 Nonpowered Valves
NIIN
005042650
NSN
4820005042650

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51H9214-3
Cage Code:
61174
Status:
A
MSDS:
Part Number:
48430
Cage Code:
99643
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 4820-00-504-2650
What are the manufacturers of nsn 4820005042650?
Does this nsn 4820005042650 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005042650
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 4820005042650 contain any precious metals?
No precious metal content.
Does nsn 4820005042650 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005042650?
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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