4820-01-451-2555
Find complete technical information, availability, and procurement data for: 4820-01-451-2555
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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 all ends thread direction, disk flow control device, 400.0 fahrenheit single response maximum operating temp, -20.0 fahrenheit minimum operating temp, 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.
- Thread Direction
- right-hand all ends
- Flow Control Device
- disk
- Disk Loading Method
- spring
- Maximum Operating Temp
- 400.0 fahrenheit single response
- Minimum Operating Temp
- -20.0 fahrenheit
- End Item Identification
- strategic sealift conversion ships class
- Connection Style
- plain (pipe) 1st end
- Connection Style
- plain,optional end(pipe) 2nd end
- Valve Operation Method
- automatic
- Connection Type
- threaded external pipe 1st end
- Connection Type
- threaded internal pipe 2nd end
- Maximum Operating Pressure
- 2000.0 pounds per square inch single response
- Nominal Thread Size
- 0.750 inches 1st end
- Nominal Thread Size
- 1.000 inches 2nd end
- Opening Pressure Setting
- 138.0 pounds per square inch
- Special Features
- carbon steel(phosphated)spring;0.110 sq.in.orifice area
- Material
- steel comp 316 body
- Material
- steel comp 316 flow control device
- Material
- steel comp 410 stem
- Material Document And Classification
- astm a276 cond t assn std single material response stem
- Material Document And Classification
- astm a479 assn std single material response body
- Material Document And Classification
- astm a479 assn std single material response flow control device
- Media For Which Designed
- air 1st response
- Media For Which Designed
- steam 2nd response
- Style Designator
- angle
- Thread Series Designator
- npt all 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 |
|---|---|
| 19110LCF-2-CC-MS-33-MT-FT-SS | Safety Relief Valve |
| 1990C-1 X .75 138PSI | Safety Relief Valve |
| 75 19110LCF-2-CC-MS-31-MTXFT-SS | Safety Relief Valve |
FAQs
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Does NSN 4820-01-451-2555 require demilitarization?
Does NSN 4820-01-451-2555 contain precious materials?
Does NSN 4820-01-451-2555 contain hazardous materials?
When the NSN 4820-01-451-2555 was assigned to the Federal Catalog?
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