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Safety Relief Valve NSN 4820-00-086-4954

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 4820-00-086-4954 NSN: 4820-00-086-4954

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Connection Style
Plain, optional en (pipe) 1st end
Connection Type
Threaded internal tube 1st end
Thready Qty Per Inch (tpi)
20 1st end
Thread Size
0.437 inches 1st end
Opening Pressure Setting
16.4 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy seat
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
000864954
NSN
4820000864954

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
392242-1-1
Cage Code:
70210
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 4820-00-086-4954
What are the manufacturers of nsn 4820000864954?
Does this nsn 4820000864954 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000864954
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 4820000864954 contain any precious metals?
No precious metal content.
Does nsn 4820000864954 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000864954?
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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