| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Amphenol Aerospace |
| Manufacturer Part Number: | Amphenol Aerospace D38999/20MH21HA |
| Number of Contacts: | 21 |
| Contact Plating: | Gold |
| Shell Size: | 23 |
| Contact Type: | Pin |
| Shell Material: | Composite |
| Wire Size: | 20 to 16 AWG |
| Shell Type: | Wall Mount Receptacle |
| Shell Finish: | Electroless Nickel |
| Current Rating: | 13 A |
| Voltage Rating: | 900 VAC |
| Insert Arrangement: | 23-21 |
| Keying Position: | A |
| Locking Mechanism: | Threaded |
| Operating Temperature: | -65 to 200 °C |
| Mil Type: | MIL-DTL-38999 |
| SKU: | AAOD38999/20MH21HA |
D38999/20MH21HA
Specifications
Detailed Description
MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged and reliable connectivity for mission-critical applications. Available in wall mount and jam nut receptacles, as well as straight self-locking RFI plugs, these connectors are designed for durability in extreme conditions. With 9 shell sizes and 54 insert arrangements, they accommodate a wide range of contact sizes, including power and twinax. Constructed from aluminum, stainless steel, or lightweight composite, and featuring a variety of plating options, they ensure corrosion resistance and longevity. The removable crimp contacts, with gold plating for enhanced conductivity, are rated for 1500 mating cycles. Meeting stringent MIL-DTL-38999 III specifications and offering RoHS-compliant and Boeing BACC-approved options, these connectors are ideal for military, aerospace, and other high-reliability applications.

