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Safety Relief Valve NSN 4820-01-585-2811

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 4820-01-585-2811 NSN: 4820-01-585-2811

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Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
End Application
Rq-4a
Length
58.9 millimeters all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Part Name Assigned By Controlling Agency
Pressure relief valve
Special Features
20-100psig adjustable range; fluorocarbon seal material; used to vent excess pressure from a regulator should a minor leak occur
Material
Steel comp 316l body
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
015852811
NSN
4820015852811

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VR744MF2SV
Cage Code:
43030
Status:
A
MSDS:
Part Number:
46300106
Cage Code:
43030
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 4820-01-585-2811
What are the manufacturers of nsn 4820015852811?
Does this nsn 4820015852811 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015852811
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 4820015852811 contain any precious metals?
No precious metal content.
Does nsn 4820015852811 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015852811?
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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