Details
You can configure the file name separator from dash to dot for new parts under Customer Defaults --> Teamcenter Integration --> General --> File New --> File Name Separator; however, when performing a Save-As operation with Non-Masters, the master was modified to dot but not the specification drawing. Why would that be?
Solution
You need to edit the preference in Teamcenter:
UGPART_saveas_pattern from:
${ItemID}-${RevisionID}-${UserText}
To ${ItemID}.${RevisionID}.${UserText}
Notes and References
IR9199869
Hardware/Software Configuration
Platform: all
OS: n/a
OS Version: n/a
Product: NX
Application: NXMANAGER
Version: V11.0.2
Function: FILE_SAVE_AS
Ref: 002-8002323