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Safety Relief Valve NSN 4820-00-287-3017

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 4820-00-287-3017 NSN: 4820-00-287-3017

Features and Characteristics

Pipe Size Accommodated
0.500 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Valve Discharge Flow Rate
86.0 pounds per hour
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Adjustable Pressure Range
+11.0/+15.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.500 inches 2nd end
Material
Copper alloy
Material Specification
Qq-c-390, alloy b5/d/ federal specification single material response seat
Media For Which Designed
Steam single response
Style Designator
Angle
Thread Series Designator
Npt 2nd end
FSC
4820 Nonpowered Valves
NIIN
002873017
NSN
4820002873017

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1/2MXF1250CID882111551DWGML141
Cage Code:
01343
Status:
A
MSDS:
Part Number:
ML14101S0010
Cage Code:
01343
Status:
A
MSDS:
Part Number:
1/2MXF1250CID882111551ML141
Cage Code:
01343
Status:
A
MSDS:
Part Number:
SL4965-94
Cage Code:
11660
Status:
A
MSDS:
Part Number:
20679
Cage Code:
14959
Status:
A
MSDS:
Part Number:
NSJ5560DPC131
Cage Code:
23230
Status:
A
MSDS:
Part Number:
SJ3540-94
Cage Code:
23230
Status:
A
MSDS:
Part Number:
SJ3540PC94
Cage Code:
23230
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 4820-00-287-3017
What are the manufacturers of nsn 4820002873017?
Does this nsn 4820002873017 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002873017
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 4820002873017 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002873017 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002873017?
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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