Special Order: 040 UNIV HDR RA 4S 30DP STD L2 Connector System: Board-to-Board Number of Positions: 40 Centerline (Pitch): 2.54 mm Centerline (Pitch): .1 in PCB Mount Retention: Without Board-to-Board 40 2.54 mm .1" | Amp-Latch Universal Header | Part Number: 499345-9 | Internal Number: 499345-9 | TE Connectivity