About this product The AS138-57B is a black electrostatic dissipative electrical connector dust cap manufactured by Caplugs in accordance with SAE AS85049/138. Designed to protect circular electrical connectors from dust, debris, contamination, and electrostatic discharge, this protective cap features electrostatic dissipative material suitable for sensitive electronic applications. Measuring 1.950 inches in Dimension A and 0.562 inches in Dimension B, the AS138-57B is suitable for aerospace, military, defense, and industrial electrical systems requiring protective connector coverage during storage, handling, and transportation. * Manufacturer certifications are shipped with your order FREE of charge
| Part Number or Model | AS138-57B |
| Description | Caplug |
| Schedule B Class | |
| ECCN (Export Control Class) | |
| Applicable Specification | SAE AS85049/138 |
| Specification Designation | AS85049/138-57B |
| Material | Electrostatic dissipative polymer |
| Material Code | B - Electrostatic Dissipative |
| Color | Black |
| ESD Protection | Electrostatic dissipative material designed to help protect sensitive electrical connector interfaces |
| Dimension A | 1.950 in (49.530 mm) |
| Dimension B | 0.562 in (14.275 mm) |
| Dimension C | 1.715 in (43.561 mm) |
| Dimension D | 1.790 in (45.466 mm) |
| Dimension E | 0.055 in (1.397 mm) |
| Compatible Connector Type | Circular electrical connectors; exact connector compatibility requires dimensional verification |
| Primary Function | Protects exposed connector interfaces from dust, debris, contamination, and electrostatic discharge |
| Typical Applications | Aerospace, defense, military electronics, connector storage, manufacturing, and transportation |
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