The BTRAC BT0-0582 Female O-Ring 90° Steel Beadlock Fitting is engineered for professional mobile A/C installations requiring a tight-radius turn without an integrated service port. Its 90-degree configuration supports efficient hose routing in confined spaces while maintaining a dependable, leak-free seal.
Constructed from steel for durability, this beadlock crimp fitting connects a #8 female O-ring end to a #6 hose. Designed specifically for universal nylon barrier hose, the BT0-0582 delivers vibration resistance and long-term reliability for on-road, off-road, and specialty vehicle HVAC applications.
Product Specifications
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BTRAC Part Number: BT0-0582
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Manufacturer Part Number: 4438S
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Part Type: Beadlock A/C Hose Fitting
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Configuration: 90° Female O-Ring (FOR)
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Material: Steel
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Thread Size: 3/4″ – 16
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Fitting End Size: #8
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Hose End Size: #6
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Port Type: No Port
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O-Ring Size: 0013
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Fitting Style: Beadlock Crimp Type
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Hose Type Compatibility: Universal Nylon Barrier Hose
Interchange / Cross-Reference Information
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AirSource / MEI: 4438S
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Truck Air / MEI: 08-6976BS
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Texas Truck AC: 550-SB3537
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ATCO: SB1328
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CoolStar / MEI: 605-5976
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Kysor: 2612299
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Kysor (Old): 409076
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Primatech: PTAC4438S
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TruckAC+: T1877
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TTA/C: 40-SB1328
Applications & Notes
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Designed for mobile A/C and HVAC systems
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90-degree female O-ring configuration for compact hose routing
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Beadlock crimp design ensures secure hose retention
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No service port
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For use with universal nylon barrier hose only
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Professional crimping equipment required
Finish Note:
Finish may vary. Clear/Natural, Black, or Zinc finishes are possible depending on production batch.

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