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Safety Relief Valve NSN 4820-00-192-9438

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 4820-00-192-9438 NSN: 4820-00-192-9438

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
21000.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
8 1st end
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+1272.0/+1428.0 pounds per square inch
Opening Pressure Setting
1375.0 pounds per square inch
Outside Diameter
7.562 inches 1st end
Bolt Hole Diameter
1.062 inches 2nd end
Bolt Circle Diameter
6.000 inches 1st end
Flange Face Design
Plain 2nd end
Special Features
The end connection identified above as the second end is the valve inlet
Style Designator
Angle
Reference Number Differentiating Characteristics
As differentiated by the valve discharge flow rate requirement
FSC
4820 Nonpowered Valves
NIIN
001929438
NSN
4820001929438

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5VKJ72
Cage Code:
38056
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 4820-00-192-9438
What are the manufacturers of nsn 4820001929438?
Does this nsn 4820001929438 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001929438
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 4820001929438 contain any precious metals?
No precious metal content.
Does nsn 4820001929438 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001929438?
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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