493-8D1-2
View detailed technical data, stock status, and sourcing information for: 493-8D1-2
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A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
right-hand 1st end thread direction, 3b 1st end thread class, 450.0 fahrenheit single response maximum operating temp, poppet flow control device, 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 Class
- 3b 1st end
- Thread Direction
- right-hand 1st end
- Flow Control Device
- poppet
- Disk Loading Method
- spring
- Maximum Operating Temp
- 450.0 fahrenheit single response
- Connection Style
- gasket seal (boss) 1st end
- Valve Operation Method
- automatic
- Connection Type
- threaded internal boss 1st end
- Connection Type
- threaded internal boss 2nd end
- Mounting Position
- horizontal or vertical
- Maximum Operating Pressure
- 3000.0 pounds per square inch single response
- Nominal Thread Size
- 0.750 inches 1st end
- Nominal Outside Diameter Tube Accommodated
- 0.500 inches 1st end
- Special Features
- 2.0 psi valve opening pressure
- Material
- aluminum alloy seat
- Material
- aluminum alloy body
- Material
- steel comp 304 and rubber butadiene-acrylonitrile class nbr and steel comp 303 flow control device
- Material Document And Classification
- aisi 304/sae 30304 assn std 1st material response flow control device
- Media For Which Designed
- water-oil-gas single response
- Surface Treatment
- anodize
- Surface Treatment Document And Classification
- mil-a-8625,ty 2 mil spec single treatment response
- Style Designator
- straight thru
- Thread Series Designator
- unjf 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 |
|---|---|
| 493-8D1-2 | Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-125-3073?
Does the NSN 4820-00-125-3073 have a Schedule B code assigned?
Does NSN 4820-00-125-3073 require demilitarization?
Does NSN 4820-00-125-3073 contain precious materials?
Does NSN 4820-00-125-3073 contain hazardous materials?
When the NSN 4820-00-125-3073 was assigned to the Federal Catalog?
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