The BT0-5052 90° Male O-Ring x Air-O-Crimp Hose Fitting is engineered for mobile air conditioning systems that require a hose size reduction from #12 barrier hose to a #10 male O-ring (MOR) port in a compact, angled configuration.
This fitting features a #12 Air-O-Crimp clamp-style hose end and a #10 male O-ring connection with 7/8-14 threads. The 90-degree design improves clearance, reduces hose strain, and simplifies routing in heavy-duty engine compartments and equipment housings.
The male O-ring connection provides a dependable seal against compatible female O-ring ports when installed with the correct O-ring. Meanwhile, the Air-O-Crimp clamp interface ensures a secure mechanical bond to #12 universal or nylon barrier hose when installed using approved clamp tools.
Constructed from durable steel, the BT0-5052 withstands vibration, pressure cycling, and demanding operating conditions commonly found in:
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Heavy-duty trucks
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Agricultural equipment
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Construction machinery
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Off-road vehicles
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Automotive A/C systems
This fitting is intended exclusively for Air-O-Crimp clamp-style hose assemblies and is not compatible with EZ-Clip systems.
When your application requires stepping down from #12 hose to a #10 male O-ring port with a 90° turn, the BT0-5052 delivers a durable and professional-grade solution.
Product Specifications
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BTRAC Part Number: BT0-5052
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Fitting Type: Male O-Ring (MOR) x Air-O-Crimp
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Orientation: 90°
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Fitting Size: #10 (5/8″ nominal)
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Hose Size: #12
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Thread Size: 7/8-14
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Crimp Style: Air-O-Crimp (Clamp Style)
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Material: Steel
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Application: Mobile A/C hose assemblies
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Compatible Hose Type: Universal / Nylon Barrier Hose
Cross References
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AN: AN1427C
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Eaton / Weatherhead: 54214-10-12-C
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Other Reference: 2660048
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BTRAC: BT0-5052


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