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Safety Relief Valve NSN 4820-00-470-5083

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 4820-00-470-5083 NSN: 4820-00-470-5083

Features and Characteristics

Pipe Size Accommodated
1.000 inches 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Connection Style
Socket with brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+409.0/+500.0 pounds per square inch
Criticality Code Justification
Zzzy
Opening Pressure Setting
409.0 pounds per square inch
Material
Nickel alloy 400 seat and plastic polytetrafluoroethylene seat
Style Designator
Angle
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
004705083
NSN
4820004705083

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
E8720AAM51MREVG
Cage Code:
01343
Status:
A
MSDS:
Part Number:
E8720AAM51M
Cage Code:
01343
Status:
A
MSDS:
Part Number:
A15650
Cage Code:
01343
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 4820-00-470-5083
What are the manufacturers of nsn 4820004705083?
Does this nsn 4820004705083 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004705083
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 4820004705083 contain any precious metals?
No precious metal content.
Does nsn 4820004705083 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004705083?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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