When we were with Ibrahim, we talked about mortgaging in deals of Salam. Ibrahim narrated from Aswad that ʿAisha had said, "The Prophet ﷺ bought some foodstuff on credit from a Jew and mortgaged an iron armor to him."
تَذَاكَرْنَا عِنْدَ إِبْرَاهِيمَ الرَّهْنَ فِي السَّلَمِ فَقَالَ حَدَّثَنِي الأَسْوَدُ عَنْ عَائِشَةَ ؓ أَنَّ النَّبِيَّ ﷺ اشْتَرَى طَعَامًا مِنْ يَهُودِيٍّ إِلَى أَجَلٍ وَرَهَنَهُ دِرْعًا مِنْ حَدِيدٍ