The N3764-6302RB is a 64-way 0.100 x 0.100-inch Pak 100 4-wall Straight Header with long roll pin latch/ejector, gold-plated copper alloy contacts and through hole termination. This 3000 series header is glass filled polyester (PCT) insulated, suitable for reflow soldering using paste in hole techniques. This has military (with 3M's 3518 polarizing key) and centerbump polarization, mounting holes for securing header to board.