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Safety Relief Valve NSN 4820-00-287-2639

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 4820-00-287-2639 NSN: 4820-00-287-2639

Features and Characteristics

Pipe Size Accommodated
0.500 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit 1st response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
14 2nd end
Adjustable Pressure Range
+31.0/+60.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
0.500 inches 2nd end
Material
Steel stem
Media For Which Designed
Water-oil-gas 2nd response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
002872639
NSN
4820002872639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2872639
Cage Code:
14959
Status:
A
MSDS:
Part Number:
SF-201-2#11
Cage Code:
14541
Status:
A
MSDS:
Part Number:
FSN45PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
SF201-2N011
Cage Code:
14541
Status:
A
MSDS:
Part Number:
82215S61-229PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-232PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-280PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-312PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-338PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-413PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-436PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82215S61-488PC95
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82226S6100-598477PC48
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82226S6100-598479PC48
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82226S61-205PC66
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82226S61-211PC66
Cage Code:
80064
Status:
A
MSDS:
Part Number:
82226S6100-598405PC48
Cage Code:
80064
Status:
A
MSDS:
Part Number:
61FSN45C
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FS0-37-6BPC48
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FS0-37-6PC48
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSC37FPC66
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSC37PC66
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSL37-5PC48
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-1PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-2PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-3PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-5PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45CPC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
GD9-2460 1-2X50
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-4PC95
Cage Code:
88080
Status:
A
MSDS:
Part Number:
FSN45-6PC95
Cage Code:
88080
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 4820-00-287-2639
What are the manufacturers of nsn 4820002872639?
Does this nsn 4820002872639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002872639
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 4820002872639 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002872639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002872639?
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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