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| Part Number | 309-65231 |
| Description | HEATSHRINK 21 4X4L BLK 14PC |
| Manufacturer | HellermannTyton |
| Series | TFN21 |
| Part Status | Active |
| Type | Tubing, Flexible |
| Shrinkage Ratio | 2 to 1 |
| Length | 4.00' (1.22m) |
| Inner Diameter - Supplied | 4.016" (102.00mm) |
| Inner Diameter - Recovered | 2.000" (50.80mm) |
| Recovered Wall Thickness | 0.054" (1.37mm) |
| Material | Polyolefin (PO), Irradiated |
| Features | Chemical Resistant, Flame Retardant, Oil Resistant, Solvent Resistant |
| Color | Black |
| Operating Temperature | -55°C ~ 135°C |
| Shrink Temperature | 70°C |