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Brass Push>Connect Air Brake Tube Fitting, 0.25 Inch Tube OD Union Bulkhead

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Description & Features

Constructed from high-quality CA360 brass the DANFOSS POWER SOLUTIONS (Aeroquip Inc-Alternate) Brass Push>Connect Air Brake Tube Fitting is designed for robust and reliable performance in air brake systems. This adapter is suitable for a variety of industrial applications providing a secure connection for 0.25-inch tube outer diameter unions. With its easy fast assembly this reusable and field-serviceable one-piece fitting ensures a solid grip and seal with the Ethylene Propylene O-ring.

The fitting is engineered to meet D.O.T. FMVSS 571.106 and SAE J1131 air brake system performance requirements ensuring compliance and reliability. It operates efficiently within a temperature range of -40F to +200F and can withstand vacuum to 150 psi pressure. The fitting offers moderate vibration resistance enhancing its durability in demanding conditions.

The maximum panel thickness it accommodates is 0.47 inches while the second thread size is 9/16-24. Its quick connect feature allows for straightforward assembly and disassembly making maintenance hassle-free. The Brass Push>Connect Air Brake Tube Fitting 0.25 Inch Tube OD Union Bulkhead ensures dependable performance and long-lasting service in air brake applications.

MPN: C1HN42

Supplier Part Number: 1874X4X4

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
L
1.62
Max Panel Thickness
0.47
Supplier Part Number
1874X4X4
Thread 2
9/16-24
Tube O.D.
0.25
Tube O.D.
0.25
Alternate Part Numbers
Alternate Part Number C1HN42, Alternate Part Number MINO-00015X03669
Product Weight
0.11 lbs

Related Documents

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Model Number Tube O.D. Thread 2 L Max Panel Thickness Price Action
Brass Push>Connect Air Brake Tube Fitting, 0.25 Inch Tube OD Union Bulkhead

1874X4X4 Brass Push>Connect Bulkhead

0.25

9/16-24

1.62

0.47

Product Questions & Answers (1)

Question by: Larry M on Feb 1, 2026, 6:43 PM
fitting says it works on air brake systems, does it hold up somewhere around 150 psi or is that pushing it too far?
Answer by: Customer Support on Feb 3, 2026, 3:43 PM
150 psi is actually right at the rated working pressure for this fitting, so you're not pushing anything. It holds from full vacuum all the way up to that 150 psi ceiling, which covers standard air brake system operating range without issue. The Ethylene Propylene O-ring is what does the sealing work, and it's built to maintain that seal across the full pressure range.