Blanking plug

[shapeshifter]

I later learned that the particular housing I have had a cable gland in place of a fischer connector.

I've done some googling and I'm pretty sure that the connector is M14 x 1.
The bicycle parts I linked to are probably the cheapest way of making certain.

https://www.fischerconnectors.com/si...6_june17_0.pdf page B1-10

[LearnerDiver]

I eyeballed the thread pitch and got that right and I used a vernier calliper on the inside of the hole and read 14ish mm. Apparently I should have taken into account the depth of the threads.

Live and learn, hey?

So probably M16 x 1 or M16 x 1.5?

M16 x 1.5 is a standard cable gland size - a standard off the shelf blanking plug is as on the left below, right hand one is an M12 stainless one

[shapeshifter]

The 1.5mm threads seem to fit and the officially 14mm plug I have slides easily into the hole so 16×1.5mm seems likely, yeah.

So probably M16 x 1 or M16 x 1.5?

M16 x 1.5 is a standard cable gland size - a standard off the shelf blanking plug is as on the left below, right hand one is an M12 stainless one