| Specification | National P-750 |
|---|---|
| Type | Rotary drilling swivel |
| Gooseneck connection | 4 in. connection commonly used on P-750 units |
| Typical application | Drilling and workover rigs; heavy-duty rotary service |
| Replacement cartridge assembly | 703978-G1U |
| Washpipe packing | 703774-G3U |
| Washpipe | 653055-A |
| Packing box | 654649-A |
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