So the NID is just being used as a cross connect box and you want to put
something else in it to hold a coupler? A fiber wall plate?
https://www.fibermint.com/product/fiber-optic-outlet/11-series/ Or a whole
8 port fiber enclosure with a built in splice tray etc
https://www.fibermint.com/product/
We have a bunch of AFL NIDs that our previous OSP manager used.
https://www.mce1000.com/mainsource/1jnK/100-111085_spec.pdf
They're somewhere around $150/each. Great for broadband-level services! *rolls
eyes*
Anyway, he deployed them without any sort of support for the bulkhead connector