About this product AS138-31B is a Caplugs aerospace-specification electrostatic-dissipative protective dust cap designed for circular electrical connectors in aerospace, defense and electronic equipment applications. Manufactured from black static-dissipative polymer, this cap features a 0.930-inch inside diameter, 1.180-inch top outside diameter and 0.500-inch overall height. Designed to meet SAE AS85049/138 requirements, its push-on construction helps protect compatible unmated connectors against dust, dirt and handling contamination while providing electrostatic-dissipative material properties. AS138-31B is suitable for connector protection during storage, transportation, assembly and maintenance. * Manufacturer certifications are shipped with your order FREE of charge
| Part Number or Model | AS138-31B |
| Description | Caplug |
| Schedule B Class | |
| ECCN (Export Control Class) | |
| Material Code | B - Electrostatic Dissipative |
| Color | Black |
| Attachment Method | Push-on / friction fit |
| Primary Function | Protects unmated circular electrical connectors against dust, dirt and handling contamination |
| ESD Classification | Electrostatic dissipative, not conductive |
| Inside Diameter | 0.930 in (23.62 mm) |
| Outside Diameter - Bottom | 1.000 in (25.40 mm) |
| Outside Diameter - Top | 1.180 in (29.97 mm) |
| Overall Height | 0.500 in (12.70 mm) |
| Nominal Wall Thickness | Approximately 0.045 in (1.14 mm) |
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