Hino PIL 2018 (Parts Interchangeability List) description of the catalogue:

• If any parts have the plural interchangeability information, their part Nos. are also displayed under it as the sub part Nos.
• The M/S field displays M or S for a sub part No. and the Qty field displays necessary quantity.
• A new part No. is appended to a sub part No., the symbol “-->” is displayed in the More field.
• If any parts are set as the non supply parts, the non supply indication and registered date are displayed in the Mark and Reg. Date fields.

PIL OperationManual