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Safety Relief Valve NSN 4820-01-284-4246

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 4820-01-284-4246 NSN: 4820-01-284-4246

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Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
6 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Valve Size
1.500 inches
Adjustable Pressure Range
+20.0/+35.0 pounds per square inch
Outside Diameter
2.375 inches 1st end
Face To Face Distance
1.500 inches
Thickness
0.812 inches 2nd end
First Connection Face To Centerline Distance
3.750 inches
Bolt Hole Diameter
0.688 inches 1st end
Second Connection Face To Centerline Distance
3.750 inches
Bolt Circle Diameter
4.438 inches 1st end
Flange Face Design
Plain 2nd end
Material
Steel stem
Media For Which Designed
Water, salt single response
Style Designator
Err-090
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
012844246
NSN
4820012844246

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S1384 P/L4210 20T35PSI
Cage Code:
35795
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 4820-01-284-4246
What are the manufacturers of nsn 4820012844246?
Does this nsn 4820012844246 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012844246
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 4820012844246 contain any precious metals?
No precious metal content.
Does nsn 4820012844246 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012844246?
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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