R338
View detailed technical data, stock status, and sourcing information for: R338
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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.
poppet flow control device, right-hand 1st end thread direction, 3b 1st end thread class, gasket seal (boss) 1st end connection style, 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
- Connection Style
- gasket seal (boss) 1st end
- Connection Type
- threaded internal boss 1st end
- Thread Quantity Per Inch
- 20 1st end
- Maximum Operating Pressure
- 5.0 pounds per square inch single response
- Nominal Thread Size
- 0.438 inches 1st end
- Seat Angle
- 32.0 degrees 1st end
- Material
- aluminum alloy seat
- Material
- aluminum alloy body
- Media For Which Designed
- air single response
- Surface Treatment
- anodize
- Style Designator
- straight thru
- Thread Series Designator
- unf 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 |
|---|---|
| R338 | Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-541-0452?
Does the NSN 4820-00-541-0452 have a Schedule B code assigned?
Does NSN 4820-00-541-0452 require demilitarization?
Does NSN 4820-00-541-0452 contain precious materials?
Does NSN 4820-00-541-0452 contain hazardous materials?
When the NSN 4820-00-541-0452 was assigned to the Federal Catalog?
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Pricing
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