"If any one of you touches his private part with his hand, let him perform Wudu'."
Sunan an-Nasa'i Book 4, Hadith 51
← Previous Hadith "The Messenger of Allah (ﷺ) said: 'Whoever touches his private part, let him perform Wudu'.'"

Sunan an-Nasa'i Book 4, Hadith 50 Next Hadith → "Busrah bint Safwan told me that." 'Urwah sent someone to check that, and she said: "The Messenger of Allah (ﷺ) mentioned what Wudu' is done for, and said: 'Touching the penis.'"

Sunan an-Nasa'i Book 4, Hadith 52