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Safety Relief Valve NSN 4820-00-858-0502

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 4820-00-858-0502 NSN: 4820-00-858-0502

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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
Maximum Operating Temp
65.0 degrees fahrenheit single response
Connection Style
G45 flareless (tube) 2nd end
Connection Type
Threaded external tube 2nd end
Thready Qty Per Inch (tpi)
12 3rd end
Maximum Operating Pressure
16.0 pounds per square inch single response
Thread Size
0.750 inches 2nd end
Seat Angle
24.0 degrees 2nd end
Opening Pressure Setting
12.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Special Features
Filter guard in stainless steel
Style Designator
Err-090
Thread Series Designator
Un 3rd end
FSC
4820 Nonpowered Valves
NIIN
008580502
NSN
4820008580502

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
219815
Cage Code:
99221
Status:
A
MSDS:
Part Number:
668276-11
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 4820-00-858-0502
What are the manufacturers of nsn 4820008580502?
Does this nsn 4820008580502 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008580502
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 4820008580502 contain any precious metals?
No precious metal content.
Does nsn 4820008580502 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008580502?
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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