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Safety Relief Valve NSN 4820-01-398-3430

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 4820-01-398-3430 NSN: 4820-01-398-3430

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
6 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
2.000 inches
Adjustable Pressure Range
+65.0/+180.0 pounds per square inch
Maximum Operating Pressure
250.0 pounds per square inch single response
Outside Diameter
5.563 inches all ends
Face To Face Distance
10.000 inches
Thickness
0.813 inches all ends
Bolt Hole Diameter
0.688 inches all ends
Bolt Circle Diameter
4.438 inches all ends
Flange Face Design
Plain all ends
Material
Rubber body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
013983430
NSN
4820013983430

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
50M-2 2IN P/N 22118-01C
Cage Code:
86184
Status:
A
MSDS:
Part Number:
22118
Cage Code:
86184
Status:
A
MSDS:
Part Number:
22118-01C
Cage Code:
86184
Status:
A
MSDS:
Part Number:
22118 ASSY 22118-01C
Cage Code:
86184
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 4820-01-398-3430
What are the manufacturers of nsn 4820013983430?
Does this nsn 4820013983430 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013983430
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 4820013983430 contain any precious metals?
No precious metal content.
Does nsn 4820013983430 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013983430?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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