5401-2

Pressure And Temper Relief Valve

NSN 4820-00-207-8821

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
002078821

Product Features

Temperature water rating at 50000-btu/hr

Product Technical Spec.

Body Material:
Brass
Body Style:
Angle give "adqm" and "adqn" only if flanged one or two ends
Tempurature Rating:
210.0 degrees fahrenheit
Media For Which Designed:
Water, fresh
First End Connection Type:
Threaded internal pipe
First End Style Designator:
Optional end
First End Pipe Size Accommodated:
0.500 inches
First End Thread Direction:
Right-hand
Second End Relationship With First End:
Not identical
Second End Connection Type:
Threaded external pipe
Second End Style Designator:
Plain
Second End Pipe Size Accommodated:
0.500 inches
Second End Thread Direction:
Right-hand
Seat Material:
Brass
Flow Control Device:
Disk, lift
Flow Control Device Material:
Steel, corrosion resisting
End Connection Quantity:
2
Opening Pressure Setting:
175.0 pounds per square inch
Adjustable Pressure Range:
+75.0/+175.0 pounds per square inch
Bulb Length:
4.000 inches
Bulb Diameter:
0.812 inches
Tempurature Adjustability:
Not adjustable
Tempurature Control Device Type:
Fusible
NSN:
4820-00-207-8821
Item Name:
Relief Valve
Cage Code:
79227

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16996
FIIG:
A07100
Concept No.:
1
App. Key:
AR
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Relief Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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