Air Brake Male Connector 1/2in Tube x 1/4 NPT
Air Brake Male Connector 1/2in Tube x 1/4 NPT
$7.00
Straight brass connector for 1/2in J844A or J844B nylon air-brake tube and a female 1/4 NPT port. Includes the preassembled tube insert.
Part number 36-003-0804.
Description
Overview
The 1/2in tube x 1/4 NPT air brake male connector creates a straight compression transition from imperial nylon air-brake tube into a female threaded port. This variant combines a 1/2in tube connection with a compact 1/4 NPT male end.
Its brass body and preassembled tube insert suit transport air-brake plumbing using J844A or J844B nylon tube. The male thread carries red sealing compound for installation into the matching NPT port.
Features
- Straight male connector configuration
- Accepts 1/2in outside-diameter nylon tube
- Connects to a female 1/4 NPT port
- Includes the preassembled tube insert
Specifications and Materials
D.O.T.-approved brass compression fitting for J844 nylon air-brake tube. The fitting family is rated to 200 PSI or 1400 kPa across a stated temperature range of 0°C to 120°C. Part number: 36-003-0804.
See the Danfoss brass air-brake fitting guide for equivalent connector dimensions and fitting-family details
Compatibility and Fitment
Confirm a 1/2in tube outside diameter and 1/4 NPT female port before ordering. Do not confuse tube diameter with pipe-thread size or substitute the nearby 1/4 BSPT version, which uses a different thread form. Fit the 1/2in tube x 1/4 NPT air brake male connector to clean, square-cut tube with the insert fully seated.
These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. GP68CDOT0804, 1468X8X4, 68NTA-8-4, 68NTA84, 016884, S768AB-8-4, S768AB84, 1368-8B, 13688B, 177.14688B, 17714688B, 968-8-4, 96884, NY68-8-4, NY6884
Related Parts
Check the related service parts below against the trailer setup before ordering.
| Use | Part number | Part type |
|---|---|---|
| Olive to suit | 36-001-08 | 1/2in tube olive |
| Nut to suit | 36-002-08 | 1/2in tube nut |
| Replacement component | 36-099-08 | 1/2in tube insert |
Compliance and Safety
Depressurise the system before installation. Hold the body with a spanner while tightening the compression nut, then restore pressure and leak-test the tube connection and threaded port. Replace damaged tube, distorted olives or marked sealing surfaces.
Trailer Applications
This connector provides a straight air-line entry into valves, manifolds, reservoirs and other 1/4 NPT pneumatic components on trucks and trailers carrying 1/2in nylon tube.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| GP68CDOT0804 | 1468X8X4 | 68NTA-8-4 |
| 68NTA84 | 016884 | S768AB-8-4 |
| S768AB84 | 1368-8B | 13688B |
| 177.14688B | 17714688B | 968-8-4 |
| 96884 | NY68-8-4 | NY6884 |
Why Choose ICS Trailers
Tube diameter and pipe thread are separate measurements on this fitting. Send the old markings or a clear photo if the NPT thread, tube size or connector style needs checking before purchase.
Browse more Air Fittings
Online prices apply to website orders only. In-store pricing may differ.








