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Safety Relief Valve NSN 4820-00-825-5720

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 4820-00-825-5720 NSN: 4820-00-825-5720

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Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Disk Loading Method
Spring
Valve Discharge Flow Rate
7.0 gallons per minute
Connection Style
G4 gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Features Provided
Valve stem lock shield
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+2300.0/+3850.0 pounds per square inch
Maximum Operating Pressure
3850.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
008255720
NSN
4820008255720

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN6279-6
Cage Code:
88044
Status:
A
MSDS:
Part Number:
MS28893D6
Cage Code:
96906
Status:
A
MSDS:
Part Number:
MIL-V-8813
Cage Code:
81349
Status:
A
MSDS:
Part Number:
1100-5
Cage Code:
06177
Status:
A
MSDS:
Part Number:
1702-14
Cage Code:
94874
Status:
A
MSDS:
Part Number:
1437
Cage Code:
94874
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 4820-00-825-5720
What are the manufacturers of nsn 4820008255720?
Does this nsn 4820008255720 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008255720
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 4820008255720 contain any precious metals?
No precious metal content.
Does nsn 4820008255720 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008255720?
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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