| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Amphenol Aerospace |
| Manufacturer Part Number: | Amphenol Aerospace D38999/20WB4JA |
| Number of Contacts: | 4 |
| Contact Plating: | Gold |
| Shell Size: | 11 |
| Contact Type: | Socket |
| Shell Material: | Aluminum |
| Wire Size: | 24 to 20 AWG |
| Shell Type: | Wall Mount Receptacle |
| Shell Finish: | Olive Drab Cadmium |
| Current Rating: | 7.5 A |
| Voltage Rating: | 600 VAC |
| Insert Arrangement: | 11-4 |
| Keying Position: | A |
| Locking Mechanism: | Threaded |
| Operating Temperature: | -65 to 175 °C |
| Mil Type: | MIL-DTL-38999 |
| SKU: | AAOD38999/20WB4JA |
D38999/20WB4JA
Specifications
Detailed Description
MIL-DTL-38999 III (D38999) harsh environment connectors featuring wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in 9 shell sizes and 54 insert arrangements with M39029 contacts in various sizes, including 22D, 20, 16, 12, 10 power, and 8 twinax. Offered in aluminum, stainless steel, and lightweight composite shells with plating options such as olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. RoHS-compliant and Boeing BACC-approved designs, these connectors are suitable for military and aerospace applications, with a wide operating temperature range from -65°C to 175°C. Each connector, whether wall mount or jam nut receptacle, ensures reliable performance in demanding environments with a 1500-cycle contact mating life. The 38999 Series 3 connectors, like the MIL-DTL-38999/20WB4JA, guarantee conductivity and environmental resistance, making them ideal for high-reliability systems.

