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Male Jis X Male Bspt

Description & Features

Constructed from steel in a straight configuration, this adapter connects a 1/4" Male JIS thread (G 1/4 - 19) on one end to a 3/8" Male BSPT thread (R 3/8 - 19) on the other, enabling direct connection between these two thread standards in hydraulic circuits. Overall length is 42.6mm with a 19mm wrench width across the hex.

The Male JIS x Male BSPT is an Adaptall-series fitting suited for use where JIS and BSPT threaded ports must be joined without intermediate adapters. The steel construction supports typical hydraulic line pressures found in industrial and mobile equipment applications.

SKU: 9223-04-06

Supplier Part Number (MPN): 9223-04-06

Specifications

Connection Size 1 1/4 in	Connection Size 2 3/8 in	Connection Type Male BSP, Male JIS	Connection Type 1 Male JIS	Connection Type 2 Male BSPT	Dimension Standards DIN EN 10226-1, ISO 7-1, JIS B 0202	Dimensions 37 mm L	Finish Zinc-Plated	Fitting Type Adapter	Hex Size 19 mm	Material Steel	Material Construction Carbon Steel	Series 9223 Series	Thread Size 1/4-19 x 3/8-19

Product Questions & Answers (3)

Question by: Phil M on Mar 22, 2026, 4:50 PM

Got a piece of equipment with a JIS port and I need to tie it into a line that's got BSPT fittings on it. This the right part to make that happen, or do I need something in between?

Answer by: Customer Support on Mar 24, 2026, 11:56 AM

That's exactly what this fitting is built for. One end is 1/4" Male JIS (G 1/4 - 19) and the other is 3/8" Male BSPT (R 3/8 - 19), so it bridges those two thread standards directly with no intermediate adapter needed. It's steel, straight configuration, 42.6mm long with a 19mm hex for wrenching. If your ports match those specs, you're good to go.

Question by: Terry W on Apr 28, 2025, 1:42 PM

Will this adapter hold up okay in a hydraulic system on a tractor, or is it more for light-duty stuff?

Answer by: Customer Support on Apr 29, 2025, 7:34 PM

This adapter's steel construction should be suitable for typical hydraulic line pressures encountered in both industrial and mobile equipment applications, including tractors.

Question by: Travis R on Mar 13, 2026, 4:50 PM

got a port that’s G 1/4-19 on one side and i need to tie into an R 3/8-19 line, is this the right adapter?

Answer by: Customer Support on Mar 15, 2026, 8:58 AM

For joining those two thread standards directly, it matches what you described. One end is a 1/4 inch Male JIS thread called out as G 1/4 - 19, and the other end is a 3/8 inch Male BSPT called out as R 3/8 - 19, in a straight steel adapter.

Male Jis X Male Bspt

Description & Features

Specifications

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Product Questions & Answers (3)