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Safety Relief Valve NSN 4820-01-141-8847

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 4820-01-141-8847 NSN: 4820-01-141-8847

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Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
16 1st end
Maximum Operating Temp
450.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Valve Size
10.000 inches
Adjustable Pressure Range
+475.0/+525.0 pounds per square inch
Maximum Operating Pressure
600.0 pounds per square inch single response
Outside Diameter
20.000 inches 1st end
Thickness
2.500 inches 1st end
First Connection Face To Centerline Distance
10.500 inches
Bolt Hole Diameter
1.000 inches 2nd end
Second Connection Face To Centerline Distance
9.438 inches
Bolt Circle Diameter
17.000 inches 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
12.750 inches 1st end
Material
Steel flow control device
Material Specification
Ams 5643 assn standard single material response flow control device
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011418847
NSN
4820011418847

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20158 475T525PSI
Cage Code:
15187
Status:
A
MSDS:
Part Number:
5055RA140009 475T525PSI
Cage Code:
15187
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 4820-01-141-8847
What are the manufacturers of nsn 4820011418847?
Does this nsn 4820011418847 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011418847
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 4820011418847 contain any precious metals?
No precious metal content.
Does nsn 4820011418847 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011418847?
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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