Nothing else on the car matches up with brake threads that I am aware of. All those fittings I have came off of junkers, though I have some store-bought steel lines with the ISO flare and metric fittings. It isn't worth buying a fitting to make a thread cleaner- just use what you have to the best advantage.

What I meant by the strangely worded sentence was, the brake line fittings are straight, not tapered thread like pipe fittings. The thread pitch is metric 1mm so at 25.4 threads per inch it looks awfully close to but doesn't match an 1/8" NPT at 27 TPI. I know how close from experience, once using a grease gun's hose lightly threaded into the line taps to gain some extra hydraulic force for stubborn seized pots.

Next subject - DOT-4 showers. I don't use compressed air to clean them, just to pop the pots. When I do, the first shower convinced me to do it inside a freezer bag next time.

On to the ATe question. Since ATe built brakes for more than Volvo, some are mounted front side of the axle, so even a newly manufactured unit, not specifically headed for a Volvo, may have the notches aligned 20 degrees from the wrong reference. I was surprised to find a pair of rebuilts that actually had the notches set at 20 degrees, despite it being the wrong side. Here's some notes on those, however my alignment adjusting tool made from a rubber cabinet foot doesn't work: http://cleanflametrap.com/pub_ate/
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Art Benstein near Baltimore

111,111,111 x 111,111,111 = 12,345,678,987,654,321