These adaptor fittings allow using other brands of power-workholding components that have SAE O-ring ports in The standard power-workholding systems (5/16" O.D. tubing). Please note: SAE O-ring fittings are limited to 5000 psi operating pressure and limit the entire system to that pressure.Straight port fitting with a 5/16" compression nut. Compression fittings are designed to secure heavy-wall tubing using a bite-type ferrule and compression nut. These fittings accept The standard 5/16" O.D. tubing (cut off straight and deburred) as well as Fixture Hose and Heavy-Duty Hose with compression-type tube ends.
Use these fittings only with The standard tubing and hose. The standard tubing is 5/16" O.D. seamless heavy-wall tubing, C1010 steel, cold drawn, fully annealed, 0.065" wall thickness, 22,800 psi minimum burst pressure. SAE O-ring fittings are limited to 5000 psi operating pressure and limit the entire system to that pressure. Other brands of power-workholding components are usually not totally leak-free, so they should not be used on pallet fixtures disconnected from the hydraulic power source.
| Material | Heat Treat | Finish | DFARS | RoHS |
| Steel, with rubber O-ring | - | - | Yes | Yes |
| Maximum Operating Pressure (PSI) | Fits Port Size | Tubing O.d. Size |
| 7500 PSI | #2 SAE | 5/16" |
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