The packaging is Socket.Mounting type is Through Hole.It is necessary to use a Bulk case for packaging the product.It's part of the 311 Series.You've got Through Hole mounted on the part.In this case, the device runs at -55°C~125°C Operating Temperature.
311-87-138-41-001101 Features
311 series
311-87-138-41-001101 Applications
There are a lot of Preci-Dip 311-87-138-41-001101 Rectangular Connectors applications.