Parker Hannifin part numbers starting 257
| 2576 | Insulation diameter: 0.875, steel diameter: 0.625, overall length: 4.18 | Parker Hannifin | ||
| 2576-1 | Insulation diameter: 0.875, steel diameter: 0.625, overall length: 4.18 | Parker Hannifin | ||
| 2578-5 | Insulation diameter: 0.750, steel diameter: 0.500, overall length: 3.75 | Parker Hannifin |