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Steel Adapter, 1-1/16-12 Male SAE O-Ring Boss (Straight Thread O-Ring) To 7/16-20 Female SAE O-Ring Boss (Straight Thread O-Ring), Straight

A 1.09	Alternate Part Numbers Alternate Part Number 6410-12-04, Alternate Part Number AFF1010-1204S, Alternate Part Number C1DY45	Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6410-12-04-O	Thread 1 1-1/16-12	Thread 2 7/16-20	Thread Sealant No	Product Weight 0.25 lbs

Product Questions & Answers 2

Product Questions & Answers

Will this here adapter work to connect a 1-1/16-12 male fitting to a 7/16-20 female one?

Question by: Curt G on Jul 27, 2025, 10:58 AM

Yes, it's specifically made to adapt a 1-1/16-12 male SAE O-Ring Boss to a 7/16-20 female SAE O-Ring Boss.

Answer by: Customer Support on Jul 28, 2025, 7:57 PM

got a #12 male ORB port on a manifold block and need to step it down to a #4 female ORB, this bushing gonna work for that?

Question by: Janice C on Mar 23, 2026, 11:59 AM

That's what this fitting is built for. The male end runs a 1-1/16-12 thread, which is your standard #12 SAE O-Ring Boss size, and the female end is 7/16-20, which is your #4 ORB. Straight configuration means no angle change, just a clean inline reduction between those two port sizes. Steel construction holds up well in working hydraulic environments, and the O-ring sealing on both ends takes care of the leak path without any thread tape or sealant needed.

Answer by: Customer Support on Mar 24, 2026, 9:29 PM

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