A retainer for releasably locking together the male and female component of a quick connector. The retainer is releasably insertible into a transverse bore in the female component and includes a surface slidable over a radial flange on the male component only when the male component is fully seated in an axial bore in the female component. The engagement of the surface and the radial flange on the male component permits full insertion of the retainer into the transverse bore in the female component and around the male component to lock the male and female components together. Lock projections on the retainer engage grooves in the housing to releasably lock the retainer in a partially inserted, shipping position in the transverse bore and engage exterior lock surfaces on the housing on full insertion of the retainer to prevent separation of the retainer from the female component. The projections are formed of up-turned angled hooks which are engageable with complimentary shaped, and angled recesses in the grooves in the housing or angled exterior surfaces on the housing to resist pull out of the retainer from either the partially inserted or fully inserted positions in the housing.
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