| PartNumber | D38999/32W21R | D38999/32W21N | D38999/32W23N |
| Description | Circular MIL Spec Tools, Hardware & Accessories DUST CAP | Circular MIL Spec Tools, Hardware & Accessories DUST CAP | Circular MIL Spec Tools, Hardware & Accessories DUST CAP |
| Manufacturer | Amphenol | Glenair | Glenair |
| Product Category | Circular MIL Spec Tools, Hardware & Accessories | Circular MIL Spec Tools, Hardware & Accessories | Circular MIL Spec Tools, Hardware & Accessories |
| MIL Type | MIL-DTL-38999 III | MIL-DTL-38999 III | MIL-DTL-38999 III |
| Product | Accessories | Accessories | Accessories |
| Type | Plug Cover | Plug Cover | Plug Cover |
| Series | D38999 Series III | 38999 | 38999 |
| For Use With | D38999 TV Series Connectors | D38999 TV Series Connectors | D38999 TV Series Connectors |
| Brand | Amphenol Pcd | Glenair | Glenair |
| Product Type | Circular MIL Spec Tools, Hardware & Accessories | Circular MIL Spec Tools, Hardware & Accessories | Circular MIL Spec Tools, Hardware & Accessories |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| RoHS | - | N | N |
| Qualification | - | EREL | - |
| Factory Pack Quantity | - | 1 | 1 |
| Unit Weight | - | 0.846575 oz | 1.340411 oz |
| Plating | - | - | Cadmium |