4820-01-309-8109
Find complete technical information, availability, and procurement data for: 4820-01-309-8109
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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.
4 all ends bolt hole quantity, threaded bonnet attachment method, disk flow control device, inside screw bonnet type, automatic valve operation method
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Bolt Hole Quantity
- 4 all ends
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 1.250 inches
- Opening Pressure Setting
- 300.0 pounds per square inch
- Nominal Outside Diameter
- 4.625 inches 2nd end
- Nominal Outside Diameter
- 5.000 inches 1st end
- Nominal Thickness
- 0.406 inches 2nd end
- Nominal Thickness
- 0.438 inches 1st end
- First Connection Face To Centerline Distance
- 2.250 inches
- Bolt Hole Nominal Diameter
- 0.625 inches all ends
- Second Connection Face To Centerline Distance
- 3.688 inches
- Bolt Circle Nominal Diameter
- 3.500 inches 2nd end
- Bolt Circle Nominal Diameter
- 3.875 inches 1st end
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 2.875 inches 1st end
- Raised Face Nominal Diameter
- 2.500 inches 2nd end
- Material
- copper alloy body
- Material
- copper alloy flow control device
- Material
- steel stem
- Style Designator
- angle flanged ends
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| TBB4-F1NA110 | Safety Relief Valve |
| TBB4-FINA110 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-309-8109?
Does the NSN 4820-01-309-8109 have a Schedule B code assigned?
Does NSN 4820-01-309-8109 require demilitarization?
Does NSN 4820-01-309-8109 contain precious materials?
Does NSN 4820-01-309-8109 contain hazardous materials?
When the NSN 4820-01-309-8109 was assigned to the Federal Catalog?
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