The Flex Stack, TST header male pin connector is a reliable and efficient option for your electronic projects. With 40 positions and a header connector type, this connector is loaded with 39 positions and has two rows. The termination type is solder, and the fastening type is push-pull. The contact material is phosphor bronze, and the contact finish is gold with a thickness of 10.0µin (0.25µm) for mating and gold for post with a thickness of 3.00µin (0.076µm). The insulation material is polybutylene terephthalate (PBT), glass-filled, and the insulation color is black. This connector has a pitch-mating of 0.100" (2.54mm) and is mounted through hole, right angle. The ECCN is EAR99, and the HTSUS is 8536.69.4040. The manufacturer of this product is Samtec Inc.