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Safety Relief Valve NSN 4820-00-981-3351

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 4820-00-981-3351 NSN: 4820-00-981-3351

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Features and Characteristics

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Connection Style
Socket err-100
Valve Operation Method
Automatic or manual
Features Provided
Valve stem lock shield and pressure tight outlet side
Maximum Operating Pressure
75.0 pounds per square inch single response
Opening Pressure Setting
75.0 pounds per square inch
Material
Plastic seat
Media For Which Designed
Hydraulic fluid, silicate-ester base 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
009813351
NSN
4820009813351

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
146D529-1
Cage Code:
28528
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 4820-00-981-3351
What are the manufacturers of nsn 4820009813351?
Does this nsn 4820009813351 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009813351
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 4820009813351 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009813351 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009813351?
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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