The TE Connectivity / Deutsch D38999/20WD35SN is a Female Straight, Circular CRIMP GOLD Socket Connector and a Square Flange Receptacle Size 22D. It has 37 Positions and a current rating of 5 A. It has high-density contact arrangements in a miniature circular shell. Originally designed for the high-performance requirements of military and commercial aircraft, these circular connectors are perfect for applications requiring extremely reliable interconnections.