I think we can handle this just like the flex cables:
76.dat - hose end
77.dat - hose segment
75.dat (design ID 76279) made from two 76.dat and a scaled 77.dat
76.dat - hose end
77.dat - hose segment
75.dat (design ID 76279) made from two 76.dat and a scaled 77.dat
Chris (LDraw Parts Library Admin)