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Safety Relief Valve NSN 4820-01-399-7417

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 4820-01-399-7417 NSN: 4820-01-399-7417

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Features and Characteristics

Flow Control Device
Poppet
Bolt Hole Quantity
8 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
4.000 inches
Adjustable Pressure Range
+1.0/+23.0 pounds per square inch
Opening Pressure Setting
20.0 pounds per square inch
Outside Diameter
9.000 inches all ends
Thickness
0.938 inches all ends
Bolt Hole Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
7.188 inches
Bolt Circle Diameter
7.500 inches all ends
Flange Face Design
Plain all ends
Material
Steel comp 316l body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
013997417
NSN
4820013997417

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11878255
Cage Code:
82796
Status:
A
MSDS:
Part Number:
211065062
Cage Code:
53711
Status:
A
MSDS:
Part Number:
1187255
Cage Code:
82796
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 4820-01-399-7417
What are the manufacturers of nsn 4820013997417?
Does this nsn 4820013997417 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013997417
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 4820013997417 contain any precious metals?
No precious metal content.
Does nsn 4820013997417 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013997417?
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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