1/8 MNPT X 1/4 FMNPT

Description & Features

Constructed from straight stainless steel, this versatile 1/8 MNPT X 1/4 FMNPT expander is designed for high-pressure environments, boasting a maximum dynamic pressure capacity of 6,000 PSI. The expander features a male NPTF thread size of 1/8-27 and a female NPTF thread size of 1/4-18, both conforming to SAE J476 specifications, ensuring reliable performance in rigorous industrial applications.

With an overall length of 1.210 mm, this component is engineered for compatibility with Brennan Industries' series 5405. It occupies a compact cubic inch space of 0.681, making it an efficient choice for systems requiring precise fitting components. The robust stainless steel material enhances durability, suitable for demanding use cases where longevity is crucial.

SKU: 5405-02-04-SS

Supplier Part Number (MPN): 5405-02-04-SS

Alternate Part Numbers: ARA-1/4X1/8

Specifications

Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
5405-02-04-SS
Product Weight
0.09 lbs

Product Questions & Answers (1)

Question by: Danny H on Nov 25, 2025, 4:19 PM
What's the highest pressure this fitting can handle without issues?
Answer by: Customer Support on Nov 27, 2025, 6:41 AM
This expander is designed to operate safely up to a maximum dynamic pressure of 6,000 PSI, making it suitable for high-pressure hydraulic systems.