Anybody located one if so can you pleas tell me where. I am aware that you can geta jumpsuit from every vault except 95. I'm vault 75 someone told me to look in opened carboard boxes, I have but can't find one. Any luck?

I've been there several times and never found one.

From the wiki:

"there are no lootable jumpsuits in Vault 75"

I have not even found a console ID# for a vault 75 suit. Which is odd considering there is one for vault 101.

Do these not work? From wiki: 00225f7e and 0022da67

I've not tried myself, though I do like collecting suits.

There are no Vault 75 Jumpsuits that can be found in game. There are none for either 75 or 95, and the only way to get any from Vault 81 is to pickpocket one off of someone or take it off of a corpse after killing someone.