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Safety Relief Valve NSN 4820-01-390-7509

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 4820-01-390-7509 NSN: 4820-01-390-7509

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Thread Size
0.750 inches all ends
Opening Pressure Setting
30.0 pounds per square inch
Material
Steel body
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
Thread Series Designator
Nptf all ends
FSC
4820 Nonpowered Valves
NIIN
013907509
NSN
4820013907509

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
H1-30-856
Cage Code:
91561
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 4820-01-390-7509
What are the manufacturers of nsn 4820013907509?
Does this nsn 4820013907509 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013907509
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 4820013907509 contain any precious metals?
No precious metal content.
Does nsn 4820013907509 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013907509?
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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