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Safety Relief Valve NSN 4820-01-045-8709

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 4820-01-045-8709 NSN: 4820-01-045-8709

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
459.0 pounds per hour
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.500 inches 2nd end
Opening Pressure Setting
135.0 pounds per square inch
Material
Stainless steel
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
010458709
NSN
4820010458709

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MNPT FIG140
Cage Code:
01343
Status:
A
MSDS:
Part Number:
140 1/2MNPT 135PSI
Cage Code:
01343
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 4820-01-045-8709
What are the manufacturers of nsn 4820010458709?
Does this nsn 4820010458709 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010458709
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 4820010458709 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010458709 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010458709?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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