Solution : https://service.sap.com/sap/support/notes/1549305 (SAP Service marketplace login required)
Key words : 
nato stock number, terms mara-nsnid, attached correction instructions, message type matmas, manufacturer part indicator, bapi methods standardmaterial, business object bus1001006, material type, manufacturer parts, mass maintenance
Related Notes : 
       
| 1229603 | MM17: DFPS-specific fields cannot be changed | 
| 1002449 | DFPS-specific material master fields not maintainable |