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Steel Adapter, 3/8-18 Female NPT To 1/8-27 Female NPT, Straight

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Description & Features

The BRENNAN INDUSTRIES INC steel adapter connects 3/8-18 and 1/8-27 female NPT threads in a straight configuration. Engineered for industrial applications, this durable adapter ensures a reliable and secure connection between differing thread sizes.

The no-sealant design offers easy maintenance and installation, making it a practical choice for various equipment setups. This straight union is ideal for systems requiring robust performance and seamless integration.

The steel construction provides excellent resistance to wear and tear, ensuring longevity and dependability even in demanding environments. The adapter's precision threads guarantee a tight and consistent fit, reducing the risk of leaks and enhancing efficiency.

MPN: C1BR64

Supplier Part Number: 5000-06-02

Specifications

A
1.13
Alternate Part Numbers
Alternate Part Number 2096-02-06S, Alternate Part Number A2096-6-2S, Alternate Part Number C1BR64, Alternate Part Number MI-00465300, Alternate Part Number MINO-00028I23584
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
5000-06-02
Thread 1
3/8-18
Thread 2
1/8-27
Thread Sealant
No
Product Weight
0.13 lbs

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Product Questions & Answers (3)

Question by: Hubert H on Nov 27, 2025, 4:47 PM
got a line running 3/8 female NPT and need to step it down to 1/8 female NPT, this straight union do that?
Answer by: Customer Support on Nov 29, 2025, 8:52 AM
That's what it's built for. One end is 3/8-18 female NPT and the other is 1/8-27 female NPT, so it bridges those two thread sizes in a straight inline connection. Steel construction, precision threads, and no sealant required right out of the box. Pretty straightforward swap if your existing fittings are NPT on both ends.
Question by: Brent W on Sep 12, 2025, 1:15 PM
got a block with 3/8-18 female npt and my gauge line is 1/8-27 female npt. is this the right piece to tie those together?
Answer by: Customer Support on Sep 13, 2025, 5:20 PM
For tying two different female NPT sizes together in a straight run, this adapter is made for exactly that. One side is 3/8-18 female NPT and the other side is 1/8-27 female NPT, both female, so it bridges those thread sizes in one rigid coupler.
Question by: Lyle W on Aug 6, 2025, 2:02 PM
Will this fitting work to connect a 3/8" female NPT to a 1/8" female NPT?
Answer by: Customer Support on Aug 7, 2025, 2:41 PM
That's what it's for. This steel adapter is designed to connect those two different sizes of female NPT threads.