Numbers 4:20

20 But the Kohathites themselves must not go in to look at the holy things, not even a glance at them, or they will die." Duties of the Gershonites

Numbers 4:20 Meaning and Commentary

Numbers 4:20

But they shall not go in to see when the holy things are
covered
They were not to be present while they were packing up, test they should see any of them with their eyes; they were not to go in until they were quite covered out of sight; which may signify the hiding of the mysteries of grace in those things under the former dispensation, when even the Levites themselves were not admitted to a sight of them; see ( Ephesians 3:4 Ephesians 3:5 ) ;

lest they die;
by the immediate hand of God.

Numbers 4:20 In-Context

18 "Don't let the tribal families of the Kohathites be destroyed from among the Levites.

19 Protect them so they will live and not die when they come near the most holy things. To protect them, Aaron and his sons are to precede them into the Sanctuary and assign each man his task and what he is to carry.

20 But the Kohathites themselves must not go in to look at the holy things, not even a glance at them, or they will die." Duties of the Gershonites

21 God spoke to Moses:

22 "Number the Gershonites by tribes according to their ancestral families.