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Safety Relief Valve NSN 4820-00-889-8228

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 4820-00-889-8228 NSN: 4820-00-889-8228

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Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
8.0 gallons per minute
Connection Style
G46a plain (tube) all ends
Connection Type
Threaded external tube 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
16 1st end
Maximum Operating Pressure
75.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
57.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy seat
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
008898228
NSN
4820008898228

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
668412
Cage Code:
98897
Status:
A
MSDS:
Part Number:
2533A1-3
Cage Code:
09790
Status:
A
MSDS:
Part Number:
2533A1
Cage Code:
09790
Status:
A
MSDS:
Part Number:
668412-3
Cage Code:
98897
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 4820-00-889-8228
What are the manufacturers of nsn 4820008898228?
Does this nsn 4820008898228 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008898228
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 4820008898228 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008898228 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008898228?
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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