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

Alternate Part Numbers Alternate Part Number 621-1696, Alternate Part Number 6403-NWO-12-12, Alternate Part Number A2220-12-12S, Alternate Part Number C1ES97, Alternate Part Number FMC620-0831, Alternate Part Number MI-00328908, Alternate Part Number MINO-00028F69551	Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	L 2.32	Supplier Part Number 3474-12-12-NWO	Thread 1 1-1/16-12	Thread 2 1-1/16-12	Thread Sealant No	Tube O.D. 0.75	Tube O.D. 0.75	Product Weight 0.47 lbs

Product Questions & Answers

Will this adapter work with standard SAE O-ring fittings?

Question by: Cindy G on Oct 13, 2025, 12:11 PM

This adapter is designed specifically for use with SAE O-ring boss (straight thread O-ring) connections, ensuring a secure, leak-free seal.

Answer by: Customer Support on Oct 15, 2025, 6:20 AM

Model Number	Tube O.D.	Thread 1	Thread 2	L
3474-24-24-NWO	1.5	1-7/8-12	1-7/8-12	2.13
3474-06-06-NWO	0.38	9/16-18	9/16-18	1.5
3474-08-08-NWO	0.5	3/4-16	3/4-16	1.56
3474-12-12-NWO	0.75	1-1/16-12	1-1/16-12	2.32
3474-16-16-NWO	1	1-5/16-12	1-5/16-12	2.13