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12MFS-12MFS BULKHEAD UNION

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number FS2700-12-12	Product Weight 0.99 lbs

Product Questions & Answers 3

Product Questions & Answers

What size tubing does this bulkhead union connect to?

Question by: Larry M on Sep 23, 2025, 8:47 AM

This bulkhead union is made for 3/4 inch outer diameter tubing.

Answer by: Customer Support on Sep 24, 2025, 10:52 AM

got a panel with a 3/4 tube line, is this the bulkhead fitting that passes through and ties both sides together?

Question by: Melvin H on Oct 19, 2025, 2:23 PM

Made for bulkhead mounting, this union gives you a straight pass-through connection with matching ends on both sides. It’s sized for 3/4 inch tube OD, with 1-3/16-12 threads on both the A1 and A2 sides.

Answer by: Customer Support on Oct 20, 2025, 7:03 PM

thread size on both ends is 1-3/16-12, that right? just want to make sure before i order a couple of these for a panel mount setup

Question by: Peggy M on Dec 20, 2025, 6:51 AM

Both sides run the same 1-3/16-12 thread, so you're good there. The A1 and A2 sections are identical on this union, which makes it a straight-through bulkhead with no size change from one end to the other. Drill size for both sides is 0.609 inches, and the hex comes in at 1.500 inches across if you're planning for wrench clearance during install.

Answer by: Customer Support on Dec 21, 2025, 8:14 PM