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Safety Relief Valve NSN 4820-01-375-0303

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 4820-01-375-0303 NSN: 4820-01-375-0303

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
750.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Adjustable Pressure Range
+1501.0/+5000.0 pounds per square inch
Thread Size
0.500 inches 1st end1.000 inches 2nd end
Material
Steel bodyrubber seat
Material Specification
Asme sa216 wcb assn standard single material response body
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
013750303
NSN
4820013750303

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
965301MA
Cage Code:
15187
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 4820-01-375-0303
What are the manufacturers of nsn 4820013750303?
Does this nsn 4820013750303 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013750303
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 4820013750303 contain any precious metals?
No precious metal content.
Does nsn 4820013750303 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013750303?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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