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Steel Adapter, 1-7/8-12 Male SAE O-Ring Boss (Straight Thread O-Ring) To 1-1/16-12 Female SAE O-Ring Boss (Straight Thread O-Ring), Straight

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A
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Alternate Part Numbers
Alternate Part Number 6410-24-12, Alternate Part Number AFF1010-2412S, Alternate Part Number C1DY60, Alternate Part Number MI-00445574, Alternate Part Number MINO-00028I02334
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
6410-24-12-O
Thread 1
1-7/8-12
Thread 2
1-1/16-12
Thread Sealant
No
Product Weight
0.63 lbs
Product Questions & Answers 4

Product Questions & Answers

Will this fitting work to connect a 1-7/8-12 male SAE O-ring boss to a 1-1/16-12 female SAE O-ring boss?
Question by: Tony F on Feb 4, 2026, 6:57 PM
This adapter is designed to do exactly that: connect a 1-7/8-12 male SAE O-ring boss to a 1-1/16-12 female SAE O-ring boss. It's a straight adapter, so the connection will be inline.
Answer by: Customer Support on Feb 6, 2026, 6:41 AM
trying to swap a #24 male ORB over to a #12 female ORB, is this the right bushing for that?
Question by: Patty B on Nov 5, 2025, 9:07 AM
For stepping down between two SAE O-Ring Boss straight thread sizes, this adapter matches 1-7/8-12 male ORB on one end and 1-1/16-12 female ORB on the other.
Answer by: Customer Support on Nov 7, 2025, 6:11 AM
Will this here adapter work to go from a 1 7/8-12 male to a 1 1/16-12 female? Just want to make sure I'm readin' it right.
Question by: Terry M on Dec 20, 2025, 7:50 AM
Yes sir, this adapter is indeed designed to connect a 1-7/8-12 male SAE O-Ring Boss to a 1-1/16-12 female SAE O-Ring Boss, both with straight threads.
Answer by: Customer Support on Dec 22, 2025, 6:32 AM
got a #24 male ORB port on a manifold and need to step it down to a #12 female connection, this bushing gonna do that?
Question by: Randy A on Jan 18, 2026, 1:28 PM
That's exactly what this adapter is built for. The male end is 1-7/8-12 SAE O-Ring Boss, which is your #24 size, and the female end is 1-1/16-12 SAE O-Ring Boss, your #12 size. Both connections use straight thread with O-ring sealing, so you get a secure, leak-resistant joint on both sides. It runs straight, no angle, which keeps things clean if your ports are already lined up.
Answer by: Customer Support on Jan 20, 2026, 9:18 AM

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