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Safety Relief Valve NSN 4820-00-882-1442

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-00-882-1442 NSN: 4820-00-882-1442

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
15.0 gallons per minute
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
155.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Features Provided
Bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
12 1st end
Adjustable Pressure Range
+75.0/+1000.0 pounds per square inch
Maximum Operating Pressure
1000.0 pounds per square inch single response
Thread Size
1.875 inches 1st end
Special Features
W/handwheel to adjust relief pressure setting
Material
Steel stem
Media For Which Designed
Oil, hydraulic single response
Thread Series Designator
Un 1st end
FSC
4820 Nonpowered Valves
NIIN
008821442
NSN
4820008821442

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS10B10
Cage Code:
62983
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 4820-00-882-1442
What are the manufacturers of nsn 4820008821442?
Does this nsn 4820008821442 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008821442
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820008821442 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008821442 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008821442?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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