A family of threaded fittings was developed which would withstand the stringent operating conditions imposed on a fluid line connector by a liquid rocket. Qualification and verification testing of this connector family was conducted and the results evaluated in a program of the AFRPL. The tests include repeated assembly, thermal gradient, stress-reversal bending, and pressure impulse. Connectors which were tested and qualified were fabricated from type 347 CRES in the 1/4, 3/8, and 1/2 inch O.D. sizes. The complete family of connectors includes a 3/4 and 1 inch O.D. size. A complete test system was developed for qualifying and testing any threaded connector. (Author)


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