4820-00-065-5991
Find complete technical information, availability, and procurement data for: 4820-00-065-5991
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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.
right-hand 2nd end thread direction, right-hand 1st end thread direction, 0.750 inches 1st end nominal pipe size accommodated, poppet flow control device, 0.750 inches 2nd end nominal pipe size accommodated
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Nominal Pipe Size Accommodated
- 0.750 inches 1st end
- Nominal Pipe Size Accommodated
- 0.750 inches 2nd end
- Thread Direction
- right-hand 1st end
- Thread Direction
- right-hand 2nd end
- Flow Control Device
- poppet
- Bonnet Type
- inside spring
- Bonnet Attachment Method
- threaded
- Disk Loading Method
- spring
- Valve Discharge Flow Rate
- 155.0 cubic feet per minute
- Maximum Operating Temp
- 406.0 fahrenheit single response
- Connection Style
- plain (pipe) 2nd end
- Connection Style
- plain,optional end(pipe) 1st end
- Valve Operation Method
- automatic or manual
- Connection Type
- threaded external pipe 2nd end
- Connection Type
- threaded internal pipe 1st end
- Features Provided
- valve stem lock shield and pressure tight outlet side
- Maximum Operating Pressure
- 250.0 pounds per square inch single response
- Nominal Thread Size
- 0.750 inches 2nd end
- Nominal Thread Size
- 0.750 inches 1st end
- Opening Pressure Setting
- 175.0 pounds per square inch
- Material
- copper alloy 836 body
- Material
- copper alloy 836 seat
- Material
- copper alloy flow control device
- Material
- steel stem
- Material Document And Classification
- qq-c-390,alloyb5/d/ fed spec single material response body
- Material Document And Classification
- qq-c-390,alloyb5/d/ fed spec single material response seat
- Media For Which Designed
- fuel/oil, hydrocarbon single response
- Style Designator
- angle
- Thread Series Designator
- npt 2nd end
- Thread Series Designator
- npt 1st end
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 |
|---|---|
| 2551 3-4-175 | Safety Relief Valve |
| A22607 | Safety Relief Valve |
| T-D-175 PSI | Safety Relief Valve |
FAQs
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What is the FSCG of the NSN 4820-00-065-5991?
Does the NSN 4820-00-065-5991 have a Schedule B code assigned?
Does NSN 4820-00-065-5991 require demilitarization?
Does NSN 4820-00-065-5991 contain precious materials?
Does NSN 4820-00-065-5991 contain hazardous materials?
When the NSN 4820-00-065-5991 was assigned to the Federal Catalog?
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