Pirs docking Module
Launched on Sep 15, 2001 on a Russian Soyuz booster from Baikonur.
Read more about the PIRS papermodel and its manual from my old site here.
It was undocked from the ISS on July 26, 2021 to pave way for the arrival of the Nauka Multipurpose Laboratory module.
Download:
PIRSAXM1100-3.pdf