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Steel Adapter, 1/4-18 Male NPT Run To 1/8-27 Female NPT Run & Branch, Tee

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Description & Features

This steel adapter features a 1/4-18 Male NPT run to 1/8-27 Female NPT run and branch tee configuration. It is manufactured by SSP Fittings Corp under the product model label Pipe To Pipe Stainless Steel Adapters.

The Steel Adapter, 1/4-18 Male NPT Run To 1/8-27 Female NPT Run & Branch, Tee has an L dimension of 1.26 inches and a catalog number of C1EQ65.

SKU: HN-1/4X1/8

Supplier Part Number (MPN): 1/4X1/8HN

Alternate Part Numbers: C1EQ65, MI-08749981, MINO-00766X98448

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/8 in
Connection Type
MNPT
Connection Type 1
MNPT
Connection Type 2
MNPT
Dimension Standards
ANSI/ASME B1.20.1, ANSI/ASME BS 21, SAE J514, JIS B0203
Fitting Type
Nipple
Hex Size
5/8 in
Material
Stainless Steel
Material Construction
316 Stainless Steel
Series
HN Series
Thread Sealant
Without Thread Sealant
Thread Size
1/4-18 x 1/8-27

Product Questions & Answers (1)

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Question by: Daryl T on Jan 8, 2026, 9:19 PM
got a line running 1/4 inch NPT and need to tee off with a couple 1/8 inch female ports, this the right piece for that?
Answer by: Customer Support on Jan 10, 2026, 7:53 AM
That's what this fitting is built for. The male run end is 1/4-18 NPT, so it threads into your existing 1/4 inch line, and both the run and branch on the other side are 1/8-27 female NPT. You get three connection points total in a tee layout, which lets you split off to two 1/8 inch female ports from that single 1/4 inch male inlet.

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