This SAE Standard provides ordering information for any SAE 20R5 hose type (such as ??EC@ HT@ LT?? or combination thereof.) This is a wire-reinforced hose for coolant circulating systems of automotive type engines. This hose consists of a convoluted section with plain ends. The hose shall contain a wire helix or helices in the convoluted section. It is a supplement for Government use but may be used by others.
SAE J20-2-2018 history
2018SAE J20-2-2018 Coolant Hose - Normal Service Type Convoluted@ Wire Support Hose (Supplement to SAE J20 for Government Use Replacing Part of MS51008)
2009SAE J20-2-2009 Coolant Hose Normal Service Type Convoluted, Wire Support Hose
2001SAE J20-2-2001 Coolant Hose-Normal Service Type Convoluted, Wire Support Hose