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Steel Adapter, 3/8-18 Male NPT To 9/16-18 Female SAE O-Ring Boss (Straight Thread O-Ring), Straight

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Description & Features

The BRENNAN INDUSTRIES INC Male NPT To Female ORB Adapter 6404-06-06 is expertly engineered to provide reliable connections in industrial applications requiring precise threading specifications. Designed for seamless integration, this steel adapter features a 3/8-18 Male NPT connection and a 9/16-18 Female SAE O-Ring Boss, ensuring compatibility with various system configurations.

Constructed from high-quality steel, the adapter offers robust durability and corrosion resistance, making it suitable for demanding environments. Its straight thread O-Ring design guarantees leak-free performance without the need for additional thread sealant, maintaining the integrity of fluid systems.

This pipe to straight thread O-Ring adapter excels in applications where secure, high-pressure connections are vital. The precise male-to-female threading facilitates easy installation and reliable performance across diverse hydraulic and pneumatic systems.

MPN: 6404-06-06

Supplier Part Number: 6404-06-06

Specifications

A
1.39
Alternate Part Numbers
Alternate Part Number 2246-6-6S, Alternate Part Number A2246-6-6S, Alternate Part Number C1BX34, Alternate Part Number MI-00319357, Alternate Part Number MINO-00028F65419
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
6404-06-06
Thread 1
3/8-18
Thread 2
9/16-18
Thread Sealant
No
Product Weight
0.12 lbs

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Product Questions & Answers (2)

Question by: Randy G on Jun 7, 2025, 2:29 PM
Just want to be sure, this fits a standard 3/8 NPT pipe, right?
Answer by: Customer Support on Jun 8, 2025, 2:36 PM
Yes sir, this adapter features a 3/8-18 Male NPT connection, so it will fit a standard 3/8 NPT pipe.
Question by: Daryl M on Sep 2, 2025, 12:23 PM
Got a hydraulic line running 3/8 NPT male on one end and need to tie into a 9/16-18 ORB female port. This adapter gonna handle that straight shot connection?
Answer by: Customer Support on Sep 3, 2025, 5:35 PM
Yeah, that's exactly what this one's built for. The male end threads in at 3/8-18 NPT and the female side accepts a 9/16-18 SAE O-Ring Boss fitting, straight configuration, no angle. Steel construction keeps it solid under the kind of stress you'd expect in a working hydraulic system.