4 pin female header, a Electronic Component type part.

.100" make header plugs into this.

More information: octopart.com

Suppliers

Name Info
Digikey S7037-ND
Mouser 517-974-01-04
Futurlec FHEADS4

Where is it used?

Module Subassembly
RepRap Motherboard v1.0 a Sanguino powered motherboard for a RepRap

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