Description

Overview

The 3/8in tube x 1/2 NPT air brake male connector joins 3/8in outside-diameter nylon air-brake tube to a matching female 1/2 NPT port. Its straight configuration suits pneumatic installations where the tube approaches the valve, reservoir or manifold in line with the threaded connection.

This larger-thread variant provides a direct transition from 3/8in tube into a 1/2 NPT port. It includes the compression nut, olive and internal tube insert required to grip, support and seal the nylon tube.

Features

• Straight male connector for 3/8in nylon air-brake tube
• 1/2 NPT male pipe connection with pre-applied thread sealant
• Brass body with separate hex sections for controlled installation
• Includes compression nut, olive and preassembled tube insert

Specifications and Materials

Product type: straight brass compression male adaptor.

Tube connection: 3/8in outside-diameter J844A or J844B nylon air-brake tube.

Pipe connection: 1/2 NPT male thread.

Pressure rating: medium-pressure service up to 200 PSI or 1400 kPa.

Temperature range: 0°C to 120°C.

Included components: tube nut, olive and internal tube insert.

Part number: 36-003-0608.

Review the official NTA and 1400 Series air-brake fitting guide for pressure, temperature and tube compatibility details

Compatibility and Fitment

Confirm that the air line measures 3/8in across its outside diameter and that the receiving component has a female 1/2 NPT port. The most likely ordering mistake is confusing the 3/8in tube size with the pipe-thread size or selecting a similar BSP fitting.

These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. GP68CDOT0608, 1468X6X8, 68NTA-6-8, 68NTA68, 016868, S768AB-6-8, S768AB68, 1368-6D, 13686D, 177.14686D, 17714686D, 968-6-8, 96868, NY68-6-8, NY6868

Related Parts

Check the related service parts below against the trailer setup before ordering.

Compliance and Safety

Depressurise the pneumatic system before removing or installing the connector. Cut the nylon tube square, remove burrs and confirm that it bottoms against the internal stop before tightening the compression nut.

Hold the connector body with the correct spanner to prevent the tube or adjoining component from twisting. Restore pressure gradually and leak-test both the pipe thread and compression joint before returning the vehicle to service.

Trailer Applications

Trailer and heavy-vehicle workshops fit this connector where 3/8in nylon air line enters a larger 1/2 NPT port. Typical connection points include air reservoirs, brake valves, distribution manifolds and auxiliary pneumatic equipment.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers supplies compression connectors, nylon air line and individual tube connection components for trailer pneumatic repairs. If the existing fitting is difficult to identify, send through its markings, the measured tube outside diameter and the receiving port size.

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