Not vital (in various senses); thus, often not essential for life(adjective)
Not containing living nerve tissue(adjective)
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Use "nonvital" in a sentence
"The State Department claims a 1980s General Services Administration directive resulted in the destruction of many passport applications and other "nonvital" passport records, including"
"The United States simply cannot afford to squander more time and resources for a nonvital Afghanistan before the core of U.S. power and freedom—the American economy—begins an irreversible decline."
"One could classify as idealist a collective security system that weighted all states equally and expected them to sacrifice blood and treasure for nonvital interests."