About this product AS138-57A is a Caplugs aerospace-specification protective dust cap designed for circular electrical connectors in aerospace, defense and industrial applications. Manufactured from red low-density polyethylene (LDPE), this cap features a 1.715-inch inside diameter, 1.950-inch top outside diameter and 0.562-inch overall height. Designed to meet SAE AS85049/138 requirements, its push-on construction helps protect compatible unmated electrical connectors against dust, moisture and environmental contamination during storage, handling and maintenance. AS138-57A provides lightweight connector protection for applications requiring the specified size and material configuration. * Manufacturer certifications are shipped with your order FREE of charge
| Part Number or Model | AS138-57A |
| Description | Caplug |
| Schedule B Class | |
| ECCN (Export Control Class) | |
| Material Code | A - LDPE |
| Color | Red |
| Inside Diameter | 1.715 in (43.561 mm) |
| Outside Diameter - Bottom | 1.790 in (45.466 mm) |
| Outside Diameter - Top | 1.950 in (49.530 mm) |
| Overall Height | 0.562 in (14.275 mm) |
| Wall Thickness | 0.055 in (1.397 mm) |
| Attachment Method | Push-on / friction fit |
| Primary Function | Protects unmated circular electrical connectors from dust, moisture and contamination |
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