John Deere Oring Fitting A/C Compressor 10PA17C 
 
Compressor Adapter Fittings
 
Suction & discharge with orings set
 
These adapters are for the compressors john deere or similar to model 10PA17C 
compressor adapters used to convert a stock compressor to aftermarket hoses. The adapters are standard #8 discharge and #10 suction fittings.
Discharge fitting has standard 3/4″-16  
Suction fitting has 7/8″-14 threads