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Brass Field Attachable 338 B Series Air Brake Adapter, 1/2 Male Air Brake To 0.38 Inch Male NPT, Straight

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Description & Features

The Danfoss / Eaton 338 P Series Crimp Hose Fittings Adapter designed for air brake hose lines ensures reliable performance with its durable CA360 brass construction. This field attachable adapter is suitable for a variety of air brake line applications offering excellent resistance to corrosion.

Featuring a 1/2 inch male air brake to 0.38 inch male NPT connection this straight adapter is noted for its ease of assembly. Simply slide the nut and sleeve onto the hose push the hose into the fitting until it bottoms and screw the nut until contact is made with the body hex.

This adapter is compatible with H105 H115 and H338 hose models and it does not require a mandrel. The specific pressure range is determined by the maximum working pressure for the hose size and hose end configuration.

Parts are stamped with DOT for verification ensuring compliance with industry standards. This product from Danfoss Power Solutions can be used in a variety of industrial settings.

MPN: 1390X8

Supplier Part Number: 1390X8

Specifications

A
1.18
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.38
End Size 2
0.88
End Type 1
NPTF
End Type 2
UNF
Mandrel Required
No
Pipe Size
0.38
Supplier Part Number
1390X8
Thread 1
1/2
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1MH91, Alternate Part Number MI-08702702, Alternate Part Number MINO-00015X02990, Alternate Part Number MINO-00925X96565
Product Weight
0.08 lbs

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Product Questions & Answers (2)

Question by: Harold C on Jan 25, 2026, 3:55 PM
does this thing need a mandrel to put together, or can you just slide it on the hose and go?
Answer by: Customer Support on Jan 26, 2026, 8:07 PM
No mandrel required on this one. Slide the nut and sleeve onto the hose, push the hose into the fitting until it bottoms out, then screw the nut down until it makes contact with the body hex. That's the whole assembly process. It's built to work field attachable, so you're not hauling extra tooling out to get it done.
Question by: Bonnie H on Jan 10, 2026, 7:01 PM
Will this fitting work on my air brake lines, or is it just for certain sizes?
Answer by: Customer Support on Jan 12, 2026, 9:52 AM
This adapter is designed to fit 1/2 inch male air brake lines to 0.38 inch male NPT connections.