4820-01-186-5981
Find complete technical information, availability, and procurement data for: 4820-01-186-5981
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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.
inside screw bonnet type, threaded bonnet attachment method, disk flow control device, 4 all ends bolt hole quantity, 250.0 fahrenheit single response maximum operating temp
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
- Maximum Operating Temp
- 250.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 0.500 inches
- Adjustable Pressure Range
- +59.0 to 72.0 pounds per square inch
- Maximum Operating Pressure
- 400.0 pounds per square inch single response
- Nominal Outside Diameter
- 3.500 inches 2nd end
- Nominal Outside Diameter
- 4.250 inches 1st end
- Nominal Thickness
- 0.312 inches 2nd end
- Nominal Thickness
- 0.375 inches 1st end
- First Connection Face To Centerline Distance
- 3.250 inches
- Bolt Hole Nominal Diameter
- 0.625 inches all ends
- Second Connection Face To Centerline Distance
- 3.312 inches
- Bolt Circle Nominal Diameter
- 2.375 inches 2nd end
- Bolt Circle Nominal Diameter
- 3.125 inches 1st end
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 1.375 inches all ends
- Material
- nickel alloy flow control device
- Material
- nickel alloy seat
- Material
- steel body
- Material
- steel corrosion resisting stem
- Media For Which Designed
- water-oil-gas single response
- Style Designator
- angle flanged ends
- Furnished Items And Quantity
- 1 lever
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 |
|---|---|
| R10AD5F512-CM1 AND D49463 | Safety Relief Valve |
FAQs
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What is the FSCG of the NSN 4820-01-186-5981?
Does the NSN 4820-01-186-5981 have a Schedule B code assigned?
Does NSN 4820-01-186-5981 require demilitarization?
Does NSN 4820-01-186-5981 contain precious materials?
Does NSN 4820-01-186-5981 contain hazardous materials?
When the NSN 4820-01-186-5981 was assigned to the Federal Catalog?
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