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3/4 ORB-3/8 NPT STRAIGHT SS

Description & Features

This straight stainless steel fitting features a 3/4 ORB (O-Ring Boss) male connection and a 3/8 NPT female connection.

The 3/4 ORB-3/8 NPT STRAIGHT SS adapter, constructed from raw stainless steel, conforms to SAE J514 standards for the male O-ring boss thread (1-1/16-12 thread size) and SAE J476 standards for the female NPSM thread (3/8-18 thread size). The O-ring seal is made from NBR.

SKU: 6405-12-06-O-SS

Supplier Part Number (MPN): 6405-12-06-O-SS

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6405-12-06-O-SS	Product Weight 0.30 lbs

Product Questions & Answers (1)

Question by: Bonnie W on Oct 18, 2025, 8:26 PM

Just want to make sure, the male end is that standard O-ring boss size, right?

Answer by: Customer Support on Oct 20, 2025, 7:15 PM

Yes, this fitting conforms to SAE J514 standards for the male O-ring boss thread, which is a 1-1/16-12 thread size.