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8FFS-6MFS

Description & Features

The BRENNAN Industries Inc. 8FFS-6MFS fitting is designed for industrial applications requiring dependable connections. Featuring a 13/16-16 A1 thread and a 11/16-16 A2 thread it ensures reliability and precision. The fitting accommodates a 1/2 inch A1 tube O.D. and a 3/8 inch A2 tube O.D. providing versatility for various uses.

The C hex size of 0.938 inches and the overall length of 0.880 inches make it a compact and efficient choice for intricate setups. This component belongs to the FS2406 series signifying its quality and compatibility with related fittings within the same range.

Supplier Part Number: FS2406-08-06

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number FS2406-08-06	Product Weight 0.13 lbs

Product Questions & Answers (6)

Question by: Norm G on May 28, 2025, 11:40 AM

Will this fitting work to connect a half-inch female fitting to a three-eighths inch line?

Answer by: Customer Support on May 30, 2025, 6:27 AM

Intended for connecting lines of different sizes, this straight fitting adapts a 1/2 inch female fitting to a 3/8 inch tube OD.

Question by: Freddie R on Jul 31, 2025, 7:06 PM

trying to match up a 1/2 inch tube fitting on one end to a 3/8 inch tube side, is that what this reducer does?

Answer by: Customer Support on Aug 1, 2025, 9:45 PM

That's exactly what this fitting handles. One end connects to a 1/2 inch OD tube on a 13/16-16 thread, and the other end steps down to a 3/8 inch OD tube on an 11/16-16 thread. Both ends are face seal fittings, so you get a straight reducer in a single compact piece rather than stacking adapters.

Question by: Warren C on Nov 13, 2025, 8:43 AM

got a 1/2 tube on one side and 3/8 on the other. is this the straight adapter that matches that?

Answer by: Customer Support on Nov 14, 2025, 6:31 PM

For that size change, it lines up. The A1 side is for 1/2 tube OD with a 13/16-16 thread, and the A2 side is for 3/8 tube OD with an 11/16-16 thread. It is a straight style fitting.

Question by: Duane W on Oct 9, 2025, 4:43 PM

trying to swap fittings on a tight manifold, what thread sizes does the 8FFS-6MFS actually have?

Answer by: Customer Support on Oct 11, 2025, 11:54 AM

It uses a 13/16-16 thread on the A1 side and an 11/16-16 thread on the A2 side. It is in the Brennan FS2406 series, with a 0.938 inch hex and 0.880 inch overall length.

Question by: Pete H on Sep 5, 2025, 7:59 PM

fitting goes from 1/2 inch tube down to 3/8 inch tube, right? just want to make sure before i order a handful of these

Answer by: Customer Support on Sep 7, 2025, 6:23 AM

Correct on both ends. The A1 side connects to a 1/2 inch O.D. tube using a 13/16-16 thread, and the A2 side steps down to a 3/8 inch O.D. tube with an 11/16-16 thread. So yeah, this one does reduce between those two sizes, which is exactly what the FS2406-08-06 is built for.

Question by: Rex H on Dec 2, 2025, 3:47 PM

Will this fitting work with a 1/2 inch OD tube on one side and a 3/8 inch OD tube on the other?

Answer by: Customer Support on Dec 4, 2025, 10:28 AM

Yes, this BRENNAN Industries Inc. fitting is designed to accommodate a 1/2 inch A1 tube O.D. and a 3/8 inch A2 tube O.D.