4820-00-166-0277
Find complete technical information, availability, and procurement data for: 4820-00-166-0277
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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.
16340.0 pounds per hour valve discharge flow rate, disk flow control device, bolted bonnet attachment method, exposed spring bonnet type, spring disk loading 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
- exposed spring
- Bonnet Attachment Method
- bolted
- Disk Loading Method
- spring
- Valve Discharge Flow Rate
- 16340.0 pounds per hour
- Renewable Seat Ring Type
- threaded
- Bolt Hole Quantity
- 4 1st end
- Bolt Hole Quantity
- 4 2nd end
- Valve Operation Method
- automatic or manual
- Flange Shape
- round with holes 1st end
- Flange Shape
- round with holes 2nd end
- Connection Type
- flange 1st end
- Connection Type
- flange 2nd end
- Features Provided
- pressure tight outlet side
- Adjustable Pressure Range
- +456.0 to 496.0 pounds per square inch
- Opening Pressure Setting
- 482.0 pounds per square inch
- Nominal Outside Diameter
- 6.125 inches 2nd end
- Nominal Outside Diameter
- 7.500 inches 1st end
- Nominal Thickness
- 0.688 inches 1st end
- Nominal Thickness
- 0.938 inches 2nd end
- Bolt Hole Nominal Diameter
- 0.750 inches 1st end
- Bolt Hole Nominal Diameter
- 0.875 inches 2nd end
- Bolt Circle Nominal Diameter
- 4.500 inches 2nd end
- Bolt Circle Nominal Diameter
- 6.000 inches 1st end
- Flange Face Design
- plain 2nd end
- Flange Face Design
- raised straight 1st end
- Raised Face Nominal Height
- 0.062 inches 1st end
- Raised Face Nominal Diameter
- 5.000 inches 1st 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 and second end flange thickness requirement
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-172-9120 | No Name Available | 01/07/1972 |
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 |
|---|---|
| G15501-18 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-166-0277?
Does the NSN 4820-00-166-0277 have a Schedule B code assigned?
Does NSN 4820-00-166-0277 require demilitarization?
Does NSN 4820-00-166-0277 contain precious materials?
Does NSN 4820-00-166-0277 contain hazardous materials?
When the NSN 4820-00-166-0277 was assigned to the Federal Catalog?
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