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The PARKER KP71860 is a steel flared tube adapter designed to connect a 37-degree flare end to a male BSPP (British Standard Parallel Pipe) thread. It accepts a 1/4 inch tube OD on the flare side and mates to a 1/4-19 BSPP male thread on the opposing end. Rated to 5000 psi maximum working pressure and up to 500 degrees F, this adapter is built for demanding hydraulic and instrumentation applications where a reliable metal-to-metal seal is required. Licensed plumbers, pipefitters, and hydraulic technicians install this fitting in both industrial and mechanical systems.
This adapter suits applications that require transitioning between JIC-style 37-degree flare tubing and BSPP-threaded ports. Typical installations include hydraulic power units, fluid transfer lines, industrial machinery, and instrumentation panels. The fitting conforms to ISO 8434-2 and SAE J514, making it appropriate for systems where compliance with these standards is specified. Sold in a package quantity of 2.
Designed for use with 1/4 inch OD tubing terminated with a 37-degree flare, connecting to equipment or assemblies with 1/4-19 male BSPP threaded ports per ISO 8434-2 and SAE J514.
Installation is typically performed by a licensed pipefitter, hydraulic technician, or plumber. Depressurize and isolate the system completely before removing or installing any fittings. Inspect the flare seat and BSPP port for burrs or damage before assembly. Do not overtighten; follow the fitting manufacturer's assembly guidelines for flare-type connections to avoid deforming the sealing surface.
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