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Safety Relief Valve NSN 4820-00-146-9339

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 4820-00-146-9339 NSN: 4820-00-146-9339

Features and Characteristics

Flow Control Device
Disk or stem
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Mounting Facility
Bracket
Valve Size
2.000 inches
Outside Diameter
8.500 inches 2nd end
Thickness
0.937 inches 1st end
First Connection Face To Centerline Distance
6.375 inches
Bolt Hole Diameter
0.750 inches 1st end
Second Connection Face To Centerline Distance
6.062 inches
Bolt Circle Diameter
6.500 inches 2nd end
Flange Face Design
Raised straight 1st end
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
0.937 inches 1st end
Special Features
Venturi nozzle design on second end
Style Designator
Angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
001469339
NSN
4820001469339

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HN-MS-35
Cage Code:
15187
Status:
A
MSDS:
Part Number:
A-32935-2
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 4820-00-146-9339
What are the manufacturers of nsn 4820001469339?
Does this nsn 4820001469339 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001469339
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 4820001469339 contain any precious metals?
No precious metal content.
Does nsn 4820001469339 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001469339?
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
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