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Steel Adapter, 1-5/8-12 Male SAE O-Ring Boss (Straight Thread O-Ring) To 1-1/4-11-1/2 Male NPT, Straight

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Alternate Part Numbers
Alternate Part Number 6401-20-20, Alternate Part Number C1BX29, Alternate Part Number MI-00319312, Alternate Part Number MINO-00028F65398
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
L
2.17
Supplier Part Number
6401-20-20-O
Thread 1
1-5/8-12
Thread 2
1-1/4-11-1/2
Thread Sealant
No
Product Weight
0.71 lbs
Product Questions & Answers 1

Product Questions & Answers

Will this adapter hold up in a hydraulic system that runs pretty much all day long?
Question by: Gary A on Dec 14, 2025, 8:37 PM
Constructed from high-quality steel, this adapter offers good resistance to corrosion and wear, enhancing its reliability in demanding applications. It should provide a strong, durable connection even with extended use.
Answer by: Customer Support on Dec 16, 2025, 3:39 PM

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