| Items |
 6538 7/16 in.-20 Female Thread Size Straight R134a Service Port Screw-on Adapter Fitting for Retrofit (Steel) |
 6539 3/8 in.-24 Female Thread Size Straight R134a Service Port Screw-on Adapter Fitting for Retrofit (Steel) |
 6540 7/16 in.-20 Female Thread Size Straight R134a Service Port Screw-on Adapter Fitting for Retrofit (Steel) |
 6538B 7/16 in.-20 Female Thread Size Straight R134a Service Port Screw-on Adapter Fitting for Retrofit (Steel) |
6539B 3/8 in.-24 Female Thread Size Straight R134a Service Port Screw-on Adapter Fitting for Retrofit (Steel) |
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| Description | Permanently Converts Service to Low Side Port | Permanently Converts Service to High Side Port | Permanently Converts Service to High Side Port | Permanently Converts Service to Low Side Port | Permanently Converts Service to High Side Port | |||||
| Brands | ATCO | |||||||||
| Units Per Package | ||||||||||
| Female Thread Size | 7/16 in.-20 | 3/8 in.-24 | 7/16 in.-20 | 7/16 in.-20 | 3/8 in.-24 | |||||
| Port Type | R134 | |||||||||
| Port Size | 13 mm | 16 mm | 16 mm | 13 mm | 16 mm | |||||
| Features | Straight | |||||||||
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