A straight steel hydraulic adapter designed for connecting Male SAE O-Ring Boss to Male NPTF threads, the 16MORB-20MP Straight offers a reliable transition between two widely used thread standards in hydraulic circuits. Thread B1 is a 1-5/16-12 Male SAE O-Ring Boss conforming to SAE J514, while Thread B2 is a 1-1/4-11-1/2 Male NPTF per SAE J476. The O-ring seal is NBR, providing dependable sealing performance across common hydraulic fluids and temperature ranges.
Manufactured by Brennan Industries as part of the 6401-O series, this adapter has an overall length of 2.290 inches and is constructed from straight steel. The NBR O-ring helps ensure a leak-resistant connection at the SAE O-Ring Boss end. This fitting is suited for hydraulic assemblies where an ORB port must be joined to an NPTF-threaded component without angled routing. California residents should note that this product carries a Proposition 65 warning.
SKU: 6401-16-20-O
Supplier Part Number (MPN): 6401-16-20-O
Alternate Part Numbers: 6401-16-20
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Specifications
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
6401-16-20-O
Product Weight
0.73 lbs
Product Questions & Answers (1)
Question by: Dale W on Mar 1, 2026, 11:05 AM
Will this here fitting work to hook up a SAE O-ring boss to a NPTF thread?
Answer by: Customer Support on Mar 2, 2026, 11:57 AM
Yes sir, this straight adapter is designed to provide a reliable connection between a Male SAE O-Ring Boss and a Male NPTF thread.