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Safety Relief Valve NSN 4820-01-340-1255

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 4820-01-340-1255 NSN: 4820-01-340-1255

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Adjustable Pressure Range
+1710.0/+2570.0 pounds per square inch
Maximum Operating Pressure
10500.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Material
Plastic polyamide flow control devicesteel comp 303 stem
Media For Which Designed
Air 1st responsehelium 2nd responsegas, natural 3rd responseoil, hydraulic 4th responsewater, fresh 5th response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
013401255
NSN
4820013401255

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5377-2PP-2060
Cage Code:
91816
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 4820-01-340-1255
What are the manufacturers of nsn 4820013401255?
Does this nsn 4820013401255 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013401255
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 4820013401255 contain any precious metals?
No precious metal content.
Does nsn 4820013401255 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013401255?
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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