My International:
S/N KF05756 on the BB. There was also a W stamped below the S/N
RD: SunTour V-T luxe
FD: SunTour SL
Stem: Sunshine Forged 80
Bars: Champion KB?
Rims: Araya 27x1 1/4 w/o HP
Shifters: Suntour Barcons
Speeds: 10
Datecodes on the components indicated it was assembled in 1976 which is confirmed by your serial number scheme.
Pictures here:
www.salt2salt.com/scans/SD/SD.html