General product classifications
| Brand | Welch |
| Family | DuoSeal |
| Pump models | 1399 |
| Category | Repair Kits |
| Subcategory | Primary Kit |
| Country of origin | US |
| Manual page | WELCH-106 |
| Part number alternatives | 23W-1399MS-V |
| PART NUMBER | DESCRIPTION | QUANTITY |
|---|---|---|
| 411063 | Spring Holder | 1 |
| 411137 | Washer | 1 |
| 411059IRON | Vane, 1st Stage - Cast Iron | 2 |
| 411052 | Case Gasket, Beaded | 1 |
| 410711 | V-Belt | 1 |
| 411239 | Exhaust Valve | 1 |
| 412375 | Cover Gasket | 1 |
| 411401E | Shaft Seal Kit, Mechanical - 0.625" | 1 |
| 411304 | Spring | 2 |
| 411266 | Washer, Tension | 1 |
| 411267 | Washer, Rubber | 1 |
