locknut
Subject: MECH / Fasteners
| Language | Term |
| Arabic - AR | صَامولة زَنْق |
| DE - German | Sicherungsmutter |
| EN - English | locknut |
| ES - Spanish | contratuerca |
| FR - French | contre-écrou |
| JA - Japanese | ロックナット |
| PT - Portuguese | contraporca |
| RU - Russian | контргайка |
| ZH - Chinese | 防松螺母 |