To suggest my husband be tested for autism

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My DH and I have agreed that he is very likely to be autistic. We are mid 30s, young family, stable jobs etc but he does experience some degree of difficulty, especially in work, as a result of these autistic traits.
AIBU to suggest he seek a formal diagnosis?
What health/social benefits could this give, being diagnosed later in life? Or is he better letting it lie?

@Sushiroller I find your comment offensive. Why on earth shouldn't he have children? I have four and believe my ASC is helpful in many ways in parenting. The comments above from people who speak of clarity, understanding and self validation are far more accurate and of use than your second hand analysis of a family member.

For my XP, him getting a diagnosis helped me to realise that his behaviour wasn't a choice he was making, it was just who he was.

For example, he wouldn't eat certain foods because of ideas he had stuck in his head. So he literally could not overcome it. It was sometimes like feeding a toddler. It helped me when I knew it was autism, not him choosing to be a fussy eater.

My DH (48) has many autistic traits and scored very high on the online indicative test. He approached our GP about a year ago and was referred to ASD pathway, he and I have submitted questionnaires and he is now waiting for a face to face assessment.
He struggles with interviews and after a few knockbacks he made the decision to pursue a diagnosis as it may help him at work.
Our dc is severely autistic and the more we have learned about autism the more we recognise the traits in dh.

If you feel an official autism diagnosis would be beneficial, then of course.

Life is much easier when you know what your dealing with.

I was diagnosed with ADHD last year (age 50) & DH says it was such a relief because he felt some of my behaviours were because I didn't like him.
Now he knows it's not personal & feels better.

My DD has had CAHMS involvement along ASD, which provided insight to her behaviours. This means we can supper her better.