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ORSF TUBE NUT STAINLESS STEEL

Description & Features

Designed for use in O-ring face seal (ORSF) hydraulic connections, this stainless steel tube nut from Brennan Industries accommodates a 3/4 inch tube OD with a 1 3/16-12 thread. The stainless steel construction makes it a practical choice for hydraulic systems where corrosion resistance is a priority.

The ORSF Tube Nut Stainless Steel carries a 1.375 inch hex and a Q width of 1.024 inches, fitting standard tooling used in industrial assembly and maintenance. The FS0318 series designation identifies its compatibility within Brennan's face seal fitting line.

SKU: FS0318-12-SS

Supplier Part Number (MPN): FS0318-12-SS

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number FS0318-12-SS	Product Weight 0.99 lbs

Product Questions & Answers (1)

Question by: Daryl G on Feb 9, 2026, 4:29 PM

Is this here tube nut good for salty conditions where stuff rusts easy?

Answer by: Customer Support on Feb 11, 2026, 6:15 AM

The stainless steel build on this tube nut makes it a solid choice when you're dealing with hydraulic systems that could get eaten up by corrosion.