This SAE Recommended Practice describes the specific measures required to meet SAE established criteria when retrofitting CFC-12 (R12) mobile air conditioning systems to HFC-134a (R134a), with regards to fittings and labeling. This document is complete only when combined with the requirements of SAE J1657.
SAE J1660-1998 history
2011SAE J1660-2011 Fittings and Labels for Retrofit of CFC-12 (R-12) Mobile Air-Conditioning Systems to HFC-134a (R-134a)
1998SAE J1660-1998 Fittings and Labels for Retrofit of CFC-12 (R-12) Mobile Air-Conditioning Systems to HFC-134a (R-134a)
1993SAE J1660-1993 Fittings and Labels for Retrofit of CFC-12 (R-12) Mobile Air-Conditioning Systems to HFC-134a (R-134a)