2620-911ASSY8A1IN
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A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.
threaded bonnet attachment method, spring disk loading method, 4 1st end bolt hole quantity, inside spring bonnet type, disk flow control device
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 spring
- Bonnet Attachment Method
- threaded
- Disk Loading Method
- spring
- Bolt Hole Quantity
- 4 1st end
- Valve Operation Method
- automatic
- Flange Shape
- round with holes 1st end
- Connection Type
- flange 1st end
- Mounting Position
- horizontal or vertical
- Valve Size
- 1.000 inches
- Criticality Code Justification
- zzzy
- Nominal Outside Diameter
- 4.875 inches 1st end
- Face To Face Distance
- 3.000 inches
- Nominal Thickness
- 1.250 inches 1st end
- Bolt Hole Nominal Diameter
- 0.687 inches 1st end
- Bolt Circle Nominal Diameter
- 3.500 inches 1st end
- Flange Face Design
- raised straight 1st end
- Raised Face Nominal Height
- 0.250 inches 1st end
- Raised Face Nominal Diameter
- 2.000 inches 1st end
- Material
- steel comp 304 flow control device
- Material
- steel comp 304 seat
- Style Designator
- straight thru flanged ends
- Reference Number Differentiating Characteristics
- quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
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 |
|---|---|
| 2620-911ASSY8A1IN | Lift-Check Valve |
| 2620-911ASSY8A1INL1 | Lift-Check Valve |
| SS845-1889538ASSY8A1IN | Lift-Check Valve |
| SS845-1889538ASSY8A1INL1 | Lift-Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
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Does NSN 4820-00-054-3782 contain precious materials?
Does NSN 4820-00-054-3782 contain hazardous materials?
When the NSN 4820-00-054-3782 was assigned to the Federal Catalog?
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