| 3/22/2018 | 848180990019 | ISOLATION VALVE
| 5 | Units | 59640.09 | N/A | TÜBITAK UZAY TEKNOLOJILERI ARASTIRMAENSTITÜSÜ |
| 3/19/2018 | 848180990019 | 71498 VALVE ISOLATION (REPLACEMENT FOR SISMIK VIBRO)
| 1 | Units | 2117.4 | N/A | ARAR PETROL VE GAZ ARAMA ÜR.PAZ.A.S. |
| 3/19/2018 | 848180990019 | "71498 VALVE, ISOLATION (REPLACEMENT FOR SISMIK VIBRO)"
| 1 | Units | 2117.12 | N/A | ARAR PETROL VE GAZ ARAMA ÜR.PAZ.A.S. |
| 3/18/2018 | 848180990019 | REFUEL ISOLATION VALVE
| 1 | Units | 4595.26 | N/A | TÜRK HAVA YOLLARI TEKNIK ANONIM SIRKETI |
| 3/26/2024 | 848180990029 | ISOLATION }VALVE | 1 | UNIT | 4483 | N/A | TÜRK HAVA YOLLARI TEKNİK ANONİM ŞİRKETİ |
| 3/27/2024 | 848180990029 | TRIM TANK ISOLATION -VALVE | 1 | UNIT | 3941 | N/A | TÜRK HAVA YOLLARI TEKNİK ANONİM ŞİRKETİ |
| 3/1/2024 | 848180990029 | ISOLATION }VALVE | 1 | UNIT | 4964 | N/A | TÜRK HAVA YOLLARI TEKNİK ANONİM ŞİRKETİ |