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6403 O Ring Unions
O Ring Unions is the connection for hydraulic systems.
- Steel Material: Carbon Steel 45#, Japan grade S45C, America grade 1045, Germany grade C45
Surface Finished: Zinc Plating
Salt Spray Test: 96 hours without red rust.Stainless Steel Material: SS304, SS316, Duplex Steel or Nickel Alloy
Surface Finished: Degreasing, Cleaning, or Passivation.Packing: ends with plastic caps to avoid thread damage, pcs of fittings in polybag, then max 20kgs in carton box, max 800kgs per wooden pallet.
Stock available for fast shipment.
Mill test report: EN 10204-3.1
6403 Union Fittings Specifications
| Subject | Dash Size | Male O-Ring | Male O-Ring |
| 6403 | 04-04 | 7/16-20 | 7/16-20 |
| 6403 | 06-04 | 9/16-18 | 7/16-20 |
| 6403 | 06-06 | 9/16-18 | 9/16-18 |
| 6403 | 08-08 | 3/4-16 | 3/4-16 |
| 6403 | 10-08 | 7/8-14 | 3/4-16 |
| 6403 | 10-10 | 7/8-14 | 7/8-14 |
| 6403 | 12-08 | 1 1/16-12 | 3/4-16 |
| 6403 | 12-10 | 1 1/16-12 | 7/8-14 |
| 6403 | 12-12 | 1 1/16-12 | 1 1/16-12 |
| 6403 | 16-12 | 1 5/16-12 | 1 1/16-12 |
| 6403 | 16-16 | 1 5/16-12 | 1 5/16-12 |
| 6403 | 20-16 | 1 5/8-12 | 1 5/16-12 |
| 6403 | 20-20 | 1 5/8-12 | 1 5/8-12 |
| 6403 | 24-20 | 1 7/8-12 | 1 5/8-12 |
| 6403 | 24-24 | 1 7/8-12 | 1 7/8-12 |
| 6403 | 32-32 | 2 1/2-12 | 2 1/2-12 |
