NSDU

AcronymDefinition
NSDUNetwork Layer Service Data Unit
NSDUNetwork Service Data Unit (SS7 SCCP)
NSDUNon-Stop Dual Unwinder (labels)
NSDUNational Self-Determination Union (politics)
NSDUNational Society Daughters of the Union (est. 1912; New Albany, IN)
NSDUNational Systems Development Unit (US DOI)