Brass Field Attachable 338 B Series Air Brake Adapter, 3/8 Male Air Brake To 0.50 Inch Male NPT, Straight

A 1.37	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 0.50	End Size 2 0.75	End Type 1 NPTF	End Type 2 UNF	Mandrel Required No	Pipe Size 0.50	Supplier Part Number 1390X6X8	Thread 1 3/8	Thread Sealant No	Alternate Part Numbers Alternate Part Number C1MH90, Alternate Part Number MI-08702701, Alternate Part Number MINO-00925X98654	Product Weight 0.12 lbs

Product Questions & Answers

trying to hook an air brake line up to a regular pipe thread port, is this the right adapter?

Question by: Wayne P on Jul 25, 2025, 8:54 PM

For that kind of hookup, this part is a straight adapter that converts a 3/8 male air brake connection over to a 0.50 inch male NPT connection.

Answer by: Customer Support on Jul 27, 2025, 8:46 AM

Model Number	Thread 1	Pipe Size	A
1390X6	3/8	0.25	1.18
1390X6X6	3/8	0.375	1.18
1390X6X8	3/8	0.5	1.37
1390X8	1/2	0.375	1.18
1390X8X8	1/2	0.5	1.37