DIP header with 0.6" row spacing
The 2-641615-1: Mating contacts are tin-plated beryllium copper; the post finish is tin. The through-hole right-angle orientation suits board-edge mounting in a DIP socket footprint.
The 2-641615-1 is listed as Obsolete by TE Connectivity AMP Connectors.
Board fit and mounting
The 0.6" (15.24 mm) row spacing matches standard DIP socket layouts. The closed-frame housing in UL94 V-0 thermoplastic glass-filled material protects the contacts during handling and insertion.
