Isaiah 59:17
For he put on righteousness as a breastplate, and an helmet of salvation on his head; and he put on the garments of vengeance for clothing, and was clad with zeal as a cloak.
Nave's Topical Index—AKJV

Ephesians 6:17
And take the helmet of salvation, and the sword of the Spirit, which is the word of God:
Nave's Topical Index—AKJV

1 Thessalonians 5:8
But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.
Nave's Topical Index—AKJV