S.T.A.M.P.E.D.
SIZE, TEMPERATURE, APPLICATION, MATERIAL, PRESSURE
S
stands for SIZE; I.D., O.D. and length
T
stands for TEMPERATURE of the material conveyed and environmental
A
stands for the APPLICATION, the conditions of use
M
stands for the MATERIAL being conveyed, type and concentration
P
stands for the PRESSURE to which the assembly will be exposed
E
stands for ENDS; style, type, orientation, attachment methods, etc.
D
stands for DELIVERY; testing, quality, packaging, and delivery requirements