Exodus 26:34

'And thou hast put the mercy-seat on the ark of the testimony, in the holy of holies.

Exodus 25:21

'And thou hast put the mercy-seat on the ark above, and unto the ark thou dost put the testimony which I give unto thee;

Exodus 40:20

And he taketh and putteth the testimony unto the ark, and setteth the staves on the ark, and putteth the mercy-seat on the ark above;

Hebrews 9:5

and over it cherubim of the glory, overshadowing the mercy-seat, concerning which we are not now to speak particularly.

Treasury of Scripture Knowledge

Summary

And thou shalt put the mercy seat upon the ark of the testimony in the most holy place.

General references

Bible References

Put the mercy seat

Exodus 25:21
'And thou hast put the mercy-seat on the ark above, and unto the ark thou dost put the testimony which I give unto thee;
Exodus 40:20
And he taketh and putteth the testimony unto the ark, and setteth the staves on the ark, and putteth the mercy-seat on the ark above;
Hebrews 9:5
and over it cherubim of the glory, overshadowing the mercy-seat, concerning which we are not now to speak particularly.

General references

Exodus 40:3
and hast set there the ark of the testimony, and hast covered over the ark with the vail,
Mark 15:38
and the veil of the sanctuary was rent in two, from top to bottom,