4820-01-440-7749
Find complete technical information, availability, and procurement data for: 4820-01-440-7749
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An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.
disk flow control device, 500.0 fahrenheit single response maximum operating temp, nimitz class cvn end item identification, 4 all ends bolt hole quantity, 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
- Disk Loading Method
- spring
- Bolt Hole Quantity
- 4 all ends
- Maximum Operating Temp
- 500.0 fahrenheit single response
- End Item Identification
- nimitz class cvn
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 2.500 inches
- Adjustable Pressure Range
- +15.0 to 19.0 pounds per square inch
- Maximum Operating Pressure
- 225.0 pounds per square inch single response
- Nominal Outside Diameter
- 7.000 inches all ends
- Nominal Thickness
- 0.875 inches all ends
- First Connection Face To Centerline Distance
- 5.500 inches
- Bolt Hole Nominal Diameter
- 0.750 inches all ends
- Second Connection Face To Centerline Distance
- 5.500 inches
- Bolt Circle Nominal Diameter
- 5.500 inches all ends
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 4.120 inches all ends
- Part Name Assigned By Controlling Agency
- 2 1/2in relief valve, type 2741-t
- Material
- steel comp 303 flow control device
- Material
- steel comp 303 stem
- Material
- steel uns j03002 body
- Material
- steel uns j92600 seat
- Material Document And Classification
- astm a216, gr. wcb assn std single material response body
- Material Document And Classification
- astm a351, gr. cf8 assn std single material response seat
- Material Document And Classification
- astm a582, comp 303 assn std single material response flow control device
- Material Document And Classification
- astm a582, comp 303 assn std single material response 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 |
|---|---|
| 20243C41SS | Safety Relief Valve |
| CASNN03SJJ | Safety Relief Valve |
FAQs
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Does NSN 4820-01-440-7749 require demilitarization?
Does NSN 4820-01-440-7749 contain precious materials?
Does NSN 4820-01-440-7749 contain hazardous materials?
When the NSN 4820-01-440-7749 was assigned to the Federal Catalog?
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