| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Amphenol Aerospace |
| Manufacturer Part Number: | Amphenol Aerospace D38999/20MH55JB |
| Number of Contacts: | 55 |
| 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: | 23-55 |
| Keying Position: | B |
| Locking Mechanism: | Threaded |
| Operating Temperature: | -65 to 200 °C |
| Mil Type: | MIL-DTL-38999 |
| SKU: | AAOD38999/20MH55JB |
D38999/20MH55JB
Specifications
Detailed Description
MIL-DTL-38999 III (D38999) harsh environment connectors, such as the D3899920MH55JB, offer reliable electrical connectivity in demanding conditions. This particular model is a wall mount receptacle featuring a composite shell with nickel plating for enhanced durability. With 55 removable crimp contacts, it accommodates complex wiring setups with ease. Designed for military and aerospace applications, it meets stringent performance standards, including a service rating of I and a service class of M. Gold-plated contacts ensure optimal conductivity, while the threaded mating type and 1500-cycle contact mating life guarantee secure connections in rugged environments. RoHS compliance may vary, so be sure to check for specific regulations. Perfect for use in high-reliability systems, this connector is a critical component for mission-critical operations.

