32 fuel gauge connection

[wadsies1]

Hi guys

Wonder if you can help. Bought a fuel gauge line with fittings from Bob Drake (I think) - run the line and made tank connection and now 6 months later went to make the gauge connection and cant find the 'nut or olive'...

Any ideas where if could buy just 1 nut and 1 olive.. Have into several
engineering supply shops and they cant even agree on what I should ask for.

https://www.bobdrake.com/ItemForm.as...7-ff6e68fef8b2

Any ways here a picture of the beast I'm after..
Many thanks Bruce