S.
Size.
What size product do you need?
T.
Temperature (Internal, External).
What temperature rating do you need?
A.
Application.
What is the current hose you are using?
M.
Material.
Conveyed through tube, External, Etc.?
P.
Pressure.
What working Pressure or Vacuum do you need?
E.
Ends.
What type of fittings, couplings, or Custom Ends are you looking for?
D.
Delivery.
When do you need it?