| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Amphenol Aerospace |
| Manufacturer Part Number: | Amphenol Aerospace D38999/20MH53BE |
| Number of Contacts: | 53 |
| Contact Plating: | Gold |
| Shell Size: | 23 |
| Contact Type: | Socket |
| Shell Material: | Composite |
| Wire Size: | 24 to 20 AWG |
| Shell Type: | Wall Mount Receptacle |
| Shell Finish: | Electroless Nickel |
| Current Rating: | 7.5 A |
| Voltage Rating: | 600 VAC |
| Insert Arrangement: | 23-53 |
| Keying Position: | E |
| Locking Mechanism: | Threaded |
| Operating Temperature: | -65 to 200 °C |
| Without Contacts: | Yes |
| Mil Type: | MIL-DTL-38999 |
| SKU: | AAOD38999/20MH53BE |
D38999/20MH53BE
Specifications
Detailed Description
MIL-DTL-38999 III (D38999) harsh environment connectors are essential components for rugged applications, offering reliable electrical connections in demanding conditions. This series features wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, providing versatility for various installation requirements. With 9 shell sizes and 54 insert arrangements available, these connectors accommodate a wide range of contact configurations, including M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. Constructed from durable materials such as aluminum, stainless steel, and lightweight composite, and with multiple plating options including olive drab cadmium and nickel, these connectors ensure robust performance even in harsh environments. RoHS-compliant and Boeing BACC-approved options are also available, making the 38999 Series 3 connectors ideal for military, aerospace, and other high-reliability applications.

