| PartNumber | 2004KL-04W-B40-B00 | 2004KL-04W-B39-B50 | 2004KL-04W-B30-B00 |
| Description | DC Fans DC Axial Fan, 50x10mm, 12VDC, 8.1CFM, Rib, 2-Wire | DC Fans DC Axial Fan, 50x10mm, 12VDC, 6.4CFM, Rib, Tachometer, 3-Wire | DC Fans DC Axial Fan, 50x10mm, 12VDC, 6.4CFM, Rib, 2-Wire |
| Manufacturer | NMB Technologies | NMB Technologies | NMB Technologies |
| Product Category | DC Fans | DC Fans | DC Fans |
| RoHS | Y | Y | Y |
| Product | DC Axial Fans | DC Axial Fans | DC Axial Fans |
| Type | Axial | Tachometer Sensor | Axial |
| Frame Dimensions mm | 50 mm L x 10 mm W x 50 mm H | 50 mm L x 10 mm W x 50 mm H | 50 mm L x 10 mm W x 50 mm H |
| Operating Supply Voltage | 12 VDC | 12 VDC | 12 VDC |
| Airflow | 8.1 CFM | 6.4 CFM | 6.4 CFM |
| Series | 2004KL | 2004KL | 2004KL |
| Height | 50 mm | 50 mm | 50 mm |
| Length | 50 mm | 50 mm | 50 mm |
| Width | 10 mm | 10 mm | 10 mm |
| Brand | NMB Technologies | NMB Technologies | NMB Technologies |
| Current Type | DC | DC | DC |
| Product Type | DC Fans | DC Fans | DC Fans |
| Factory Pack Quantity | 280 | 280 | 280 |
| Subcategory | Fans, Blowers & Accessories | Fans, Blowers & Accessories | Fans, Blowers & Accessories |
| Tradename | NMB-MAT | NMB-MAT | NMB-MAT |
| Part # Aliases | 05010KA-12M-AA-00 | 05010KA-12L-AT-00 | 05010KA-12L-AA-00 |
| Unit Weight | 0.705479 oz | 0.705479 oz | 0.705479 oz |